Since an abundance of needy people who want sprite sheets and stuff like that, the generous ones may post up links to FREE MATERIALS (please do not steal) for all to see.
(Now there's NO excuse for more of these threads to pop up! XD)
I'll start off with a site that shares a good amount of basic sprites:
Now, have fun, nooblets. <3
EDIT 2/21/06: One person asked me to put his post, contaning A LOT of possible overworld and other sprites, into this post, so here it is.
[EDIT] - Sweet May 12/5/07 Here's a post made by our member Acherhar that contains a lot of links to almost all sprites. Enjoy!