i made broken glass=)
1. find your glass...
2. add a new layer :AddNewLayer:
3. paint a black dot (i used 25px)
4. frosted glass :FrostedGlass: 3px
5. lasso tool :LassoTool: and use it and the glass layer... just a lot around the Bullet...
6. use move selected pixels and move the "broken" part about 3-10 pixels(depends on the size of the glass)
7. add new layer :AddNewLayer: and move it to the bottom and then u fill it with white
Finito