http://resizr.lord-lance.com/default.asp
They have a Firefox plugin too.
Cool utility, Daddymem. I see that the images are deleted from there every 60 minutes so they will have to be copied from there and stored somewhere else or in the case of a single image it could be attached to a CP message if composing it.
Nice handy tool. Also, for those who'd like an easy simple program on their own computer go to http://www.mihov.com/eng/ir.html (I'll post thus under "free stuff" as well.)