diff --git a/src/examples/AnimateMasking.cpp b/src/examples/AnimateMasking.cpp
index 7b124974..dbfd65f8 100644
--- a/src/examples/AnimateMasking.cpp
+++ b/src/examples/AnimateMasking.cpp
@@ -20,15 +20,17 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
     // image
     auto picture1 = tvg::Picture::gen();
-    picture1->load(EXAMPLE_DIR"/human.svg");
+    picture1->load(EXAMPLE_DIR"/cartman.svg");
+    picture1->size(400, 400);
     auto picture2 = tvg::Picture::gen();
-    picture2->load(EXAMPLE_DIR"/bones.svg");
+    picture2->load(EXAMPLE_DIR"/samsung-7.svg");
+    picture2->size(400, 400);
     canvas->push(move(picture1));
 
     //mask
     auto maskShape = tvg::Shape::gen();
     pMaskShape = maskShape.get();
-    maskShape->appendCircle(180, 180, 125, 125);
+    maskShape->appendCircle(180, 180, 75, 75);
     maskShape->fill(0, 0, 0, 125);
     maskShape->stroke(25, 25, 25, 255);
     maskShape->stroke(tvg::StrokeJoin::Round);
@@ -37,7 +39,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
     auto mask = tvg::Shape::gen();
     pMask = mask.get();
-    mask->appendCircle(180, 180, 125, 125);
+    mask->appendCircle(180, 180, 75, 75);
     mask->fill(255, 0, 0, 255);
 
     picture2->composite(move(mask), tvg::CompositeMethod::AlphaMask);
diff --git a/src/examples/images/bones.svg b/src/examples/images/bones.svg
deleted file mode 100644
index ef7f7e11..00000000
--- a/src/examples/images/bones.svg
+++ /dev/null
@@ -1,198 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
-	 width="595px" height="842px" viewBox="0 0 595 842" xml:space="preserve">
-<g>
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diff --git a/src/examples/images/human.svg b/src/examples/images/human.svg
deleted file mode 100644
index 6beb9d9c..00000000
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