You'll have to give a bit more information than that Webby24...
If you're still seeing the old images then that would suggest that you didn't merge the xml file properly, as if you had of, you would either see the new images, or see alt tags, as the images would be broken.
I don't think I've said it already, but a bit A+ for this mod, I've actually converted all of my Post Icons to Famfamfam silk ones now as well