commpubwa on "When adding a new sharing service, can't get icon to appear"

Hi there,
I'm trying to add delicious as one of the sharing services beneath my blog posts, and I can't get the delicious icon to appear. I went to "Settings," "Sharing," clicked on "Add a new service," put in the URL and the icon URL (I used http://sharedcopy.com/images/callback-icons/delicious-icon-big.png). However, the delicious icon will not appear. Would appreciate your help!
Thank you,
Aaron