Friday I ended up image hunting and I actually managed to find a few new things, which is always fun. The best, though, was when I stumbled across this site, which I hadn't been to in a while. The artist does gorgeous watercolours (she's the one who did the pic used for this icon) and there were some I hadn't seen the last time I'd dropped by, including:
She has art for several of the FE games. FE8 is the second gallery from the bottom.