diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_23_Jan_23_23_10.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_23_Jan_23_23_10.bb
deleted file mode 100644
index 5dfa049..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_23_Jan_23_23_10.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: ./ScreenHunter_23_Jan_23_23_10.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 204 174
-%%CreationDate: Mon Jan 24 15:39:46 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_23_Jan_23_23_10.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_23_Jan_23_23_10.jpg
deleted file mode 100644
index ca7dc8f..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_23_Jan_23_23_10.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_33Dec311142.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_33Dec311142.bb
deleted file mode 100644
index 3758852..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_33Dec311142.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: ./ScreenHunter_33Dec311142.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 326 238
-%%CreationDate: Thu Jan 20 15:06:33 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_33Dec311142.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_33Dec311142.jpg
deleted file mode 100644
index 9260552..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_33Dec311142.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_48_Jan_23_23_34.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_48_Jan_23_23_34.jpg
deleted file mode 100644
index 4591321..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_48_Jan_23_23_34.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_50Jan232334.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_50Jan232334.bb
deleted file mode 100644
index 3406b79..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_50Jan232334.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/ScreenHunter_50Jan232334.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 279 312
-%%CreationDate: Wed Jan 26 15:01:41 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_50Jan232334.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_50Jan232334.jpg
deleted file mode 100644
index c8b3273..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_50Jan232334.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_52Jan232335.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_52Jan232335.jpg
deleted file mode 100644
index 1a58200..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_52Jan232335.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_53Jan232336.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_53Jan232336.bb
deleted file mode 100644
index 36ff471..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_53Jan232336.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/ScreenHunter_53Jan232336.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 242 220
-%%CreationDate: Wed Jan 26 15:19:10 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_53Jan232336.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_53Jan232336.jpg
deleted file mode 100644
index 375b976..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/ScreenHunter_53Jan232336.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/button_select_color.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/button_select_color.bb
deleted file mode 100644
index 6d4a3dc..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/button_select_color.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/button_select_color.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 20 16
-%%CreationDate: Thu Jan 27 14:11:33 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/button_select_color.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/button_select_color.jpg
deleted file mode 100644
index ef6ba45..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/button_select_color.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/exract_region.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/exract_region.bb
deleted file mode 100644
index 843fc97..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/exract_region.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/exract_region.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 181 97
-%%CreationDate: Thu Jan 27 14:38:07 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/exract_region.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/exract_region.jpg
deleted file mode 100644
index a7ee39d..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/exract_region.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/extrac_most_region_4.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/extrac_most_region_4.jpg
deleted file mode 100644
index 26a3702..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/extrac_most_region_4.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region2.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region2.bb
deleted file mode 100644
index dbb07c8..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region2.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/extract_most_region2.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 309 314
-%%CreationDate: Thu Jan 27 15:20:37 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region2.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region2.jpg
deleted file mode 100644
index 399cd03..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region2.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region3.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region3.bb
deleted file mode 100644
index 8fa60d4..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region3.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/extract_most_region3.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 257 240
-%%CreationDate: Thu Jan 27 15:42:34 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region3.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region3.jpg
deleted file mode 100644
index 08fa800..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region3.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region_1.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region_1.bb
deleted file mode 100644
index a09676e..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region_1.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/extract_most_region_1.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 279 213
-%%CreationDate: Thu Jan 27 15:06:44 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region_1.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region_1.jpg
deleted file mode 100644
index 48b03a5..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/extract_most_region_1.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ferramentas_avancadas.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/ferramentas_avancadas.bb
deleted file mode 100644
index 9ac5abd..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/ferramentas_avancadas.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/ferramentas_avancadas.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 183 12
-%%CreationDate: Thu Jan 27 14:34:41 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/ferramentas_avancadas.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/ferramentas_avancadas.jpg
deleted file mode 100644
index b00ec1d..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/ferramentas_avancadas.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/new_surface.png b/docs/user_guide_pt_BR_source/img/invesalius_screen/new_surface.png
deleted file mode 100644
index 85c9cb7..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/new_surface.png and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/select_surface.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/select_surface.bb
deleted file mode 100644
index fe54353..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/select_surface.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: ./select_surface.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 149 15
-%%CreationDate: Thu Jan 27 13:38:34 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/select_surface.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/select_surface.jpg
deleted file mode 100644
index 620d796..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/select_surface.jpg and /dev/null differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region2.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region2.jpg
new file mode 100644
index 0000000..399cd03
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region2.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region3.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region3.jpg
new file mode 100644
index 0000000..08fa800
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region3.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region_1.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region_1.jpg
new file mode 100644
index 0000000..48b03a5
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region_1.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region_4.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region_4.jpg
new file mode 100644
index 0000000..26a3702
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_extract_most_region_4.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_bottom.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_bottom.jpg
new file mode 100644
index 0000000..c8b3273
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_bottom.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_bottom_all_parts.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_bottom_all_parts.jpg
new file mode 100644
index 0000000..375b976
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_bottom_all_parts.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_front.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_front.jpg
new file mode 100644
index 0000000..4591321
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_front.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_front_all_parts.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_front_all_parts.jpg
new file mode 100644
index 0000000..1a58200
Binary files /dev/null and b/docs/user_guide_pt_BR_source/img/invesalius_screen/surface_model_front_all_parts.jpg differ
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/transparency.bb b/docs/user_guide_pt_BR_source/img/invesalius_screen/transparency.bb
deleted file mode 100644
index 4f6f147..0000000
--- a/docs/user_guide_pt_BR_source/img/invesalius_screen/transparency.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-%%Title: /home/phamorim/Dropbox/CTI/Docs/Manual InVesalius/invesaliusmanual/img/invesalius_screen/transparency.jpg
-%%Creator: extractbb 20090708
-%%BoundingBox: 0 0 175 24
-%%CreationDate: Thu Jan 27 13:56:41 2011
-
diff --git a/docs/user_guide_pt_BR_source/img/invesalius_screen/transparency.jpg b/docs/user_guide_pt_BR_source/img/invesalius_screen/transparency.jpg
deleted file mode 100644
index 79c49b1..0000000
Binary files a/docs/user_guide_pt_BR_source/img/invesalius_screen/transparency.jpg and /dev/null differ
--
libgit2 0.21.2