Some pics would be nice to help define that particular style you're looking for.

Freebie toon monkeys I know of:

http://wapico-doll.hp.infoseek.co.jp/ (Mamedio)

http://lab108.x0.com/lab108/ (Saru)

http://mochi.s86.xrea.com (Monchee)

There's also a pay-for monkey, another in LLF's Plushies line. Can't recall the name right now, but should be easy to find at RDNA.

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Outdated gallery over at DeviantArt

Fics at FanFiction.net and Archive of Our Own (AO3)