Aha! Good idea! I should have thought of having a section just for links to other sites and update announcements, so now there is one! I added
Sims 2 Fan Sites Links and Updates to the "Community" area. And of course webmasters are welcome and encouraged to tell us about their sites and updates there.
No, Sun Sims doesn't allow pictures in signatures. I'm kind of a curmudgeon about elaborate signatures.