Just wanted to share this with the community, if it's already posted please ignore it.......thanks.......

How to change the safari bookmark icon (aka Webclip)
SSH in to your phone

Goto /private/var/root/Libary/WebClips/[your bookmark file name].webclip and change the icon.png file with your own custom icon.png file.

Sample:
http://www.flickr.com/photos/23033294@N06/2237114835/