1) You can make them yourself
2) You can ask a friend to make them for you for free
3) You cam browse for free to use assets here and in the internet, just make sure you know what their terms of usage are
My apologies if it's out-of-place for my goyim-lookin' ass to be the one to say it, but the mythology of "Golems" is that they were created by Rabbis to protect Jewish villages from Anti-semetic attacks.
I'm moving on from RMXP finally. I've been stuck in a difficult decision between XP and MZ, and I've given up and moved on to MZ. Overall I'm really liking it, I wish tilesets were easier to setup like XP, but it's actually not that bad!