Pixmac is a new photostock, and it doesn't sell to many images.
There is no need to pass an exam to contribute, no need to send
bio-data during the registration.
PIxmax is selling photoimages, pixel and 3D illustrations.
The minimal size of the image is (2000x1500) 3mp.
The referral programme:
25% from every image, sold to a byer, who clicked the button.
25% from the price of the image made by the referred submitter.