The VG Resource

i'm trying to rip Sheena/Shihna's sprites from "tales of the world narikiri dungeon 3"

and i was wondering if anyone had a tutorial for this specific game or just in general....

oh, and i'm using Sprite Molester

I would advise reading Ragey's fantastic omg how i rip sprites-page to get a general grip on dealing with Tile Molester and other essential tools.
The graphics may be compressed, though, so if you can't find anything with Tile Molester then your best bet is trying to decompress the graphics with NLZ-GBA Advance.