I was previously using StockUnlimited for my stock photos, but the website is so slow that it was a pain to use. When I found UnlimPhotos, I was very excited to try it. I love the speed and ease of use with UnlimPhotos. Some images are amateur, but that might suit your business.

Search function is lacking the option to select images or vectors. Not nearly as many images as 123RF, but reasonable for the price. Hope they keep adding more!

Would really love to see a more granular search (Updated, # people, size, etc.)