I found many of these on different sites and I did my best to link back. If you know who made one of these and I haven't linked it, please let me know! (And if they were actually meant to be someone's link banner/site graphics, please definitely let me know so I can remove them!)
Tiny buttons! I grabbed a lot of these from here and here.
Even tinier buttons! Many of these came from here.
And some identity ones from here!
I found many of these on different sites and haven't found a hub site so far.
deviantArt-style stamps!
From here!
Yes, really. From here.