Don! Don! DOOOOOON!

Eraser
Paintbrush
Motion Blur
Background Eraser
Transform Layer
Lasso

Broken Glass Effect

Lasso
Masking
Scale the layer
Screen

Photoshop Practice

I used the following tools:
Lasso
Quick Mask
Modfy the edge of selection
Turn selection into layer
Move Tool
 Scale the layer
Copy the Layer

Gaffiti Taster Session