Depositphotos - Depositphotos offers you over 50,000,000 stock photos and vector illustrations for as low as...
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Shutterstock - Shutterstock is a provider of stock photos, illustrations, and vector art. The website allows individuals to purchase a subscription and download copyrighted art for creative projects. Read more about Shutterstock.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Stock Up - The best free stock photos in one place
Ralpha Image Resizer - High-speed image batch conversion tool