From the Featured>Partners Tab. Has previously worked in the past with HentaiHeroes, but now doesn't seem to work with 3D_SexVilla2.

I love using this program, but just curious as to why no credits are showing up when I've fulfilled the requirements (whether it's expired or whatever I don't know).

By my limited understanding of these types of offers, you can only take advantage of them once in your lifetime. If the offer worked for you with Hentai Heros, that was your one time.