I made my own caps out of cards!! I know the inside of my rim is dirty, but the pic makes it look worse.
The red one when it spins reminds me of strawberrys and milk… ;D
http://img228.imageshack.us/img228/9393/img1757u.th.jpg
http://img708.imageshack.us/img708/8449/img1758dw.th.jpg
http://img411.imageshack.us/img411/3007/img1760av.th.jpg
http://img685.imageshack.us/img685/530/img1761b.th.jpg
Tell me what you think!