Hmm, I don't believe I've seen a monkey texture around, but here is my go-to griffin texture!
https://skylandy.deviantart.com/art/Gryphon-Texture-559020168 (https://skylandy.deviantart.com/art/Gryphon-Texture-559020168)
EDIT: Just realized this is a texture for a feline. I believe I've used it on canines before, though,
and it worked just as well!!