Originally Posted by Broda

The "free" means that you can utilize the system at no cost when the sponsor you promote with it is a sponsor in the system. So to use the "free" system you'd currently have to promote any or all of these sponsors:
GallerySubmitter.com free sponsors
There are 1-2 new sponsors coming aboard soon too

Not all sponsors care about their affiliates profiting from easy gallerysubmissions. Hence the reason why you don't see more in there. But the majority of the current ones have been with us for upwards of 3-4 years. So it's solid.