Amazon.com: iPod Touch 4 Case, Bastex Hybrid Slim Fit Black Rubber Silicone Cover Hard Plastic Hot Pink & Black Shock Case for Apple iPod Touch 4, 4th Generation : Electronics
Apple iPod Touch, fourth generation (photos) - CNET
Differences Between iPod touch 4th Gen and iPod touch 5th Gen: EveryiPod.com
The Camera - Apple's iPod Touch (2010) Review, Not a Poor Man's iPhone 4