hahaha paint
.....anyway save it by clicking "File" then click "Save As..."...then type wut u wunna save it as...then go 2
www.photobucket.com an register or if u don't wunna do that go here
www.tinypic.com upload tha picture copy tha URL then come 2 rapverse.com click user CP...then click edit signature...then click tha "add image" thing..it sorta lookz like a mountain wit a yellow background paste tha URL in tha box that popz up hit "OK" then save signature...it should work