Seamless Texture Generator

Make you picture editing easy with Seamless Texture Generator.

"Seamless Texture Generator is a tool for creating professional seamlessly-tileable textures from photographs quickly and easily."

Specs

Produce seamless Texture with a single click
Automatically removes highlights and shadows
Crop, rotate, and correct perspective

It use advanced blending technique to produce identical image seamlessly-tileable textures. This is alternative to Phothoshop CS3 stamping technique. but i bet you this one is the best. So give it a try.