The Seamless Texture Maker is the best and fastest, but it costs a bit.

In Gimp I searched for it, in German it is: Filter --> Abbilden --> Nahtlos machen

Maybe, in English: Filter > Map > Make Seamless

EDIT: Just tested Gimp's Make Seamless - it is quite bad.

Last edited by Pappenheimer; 07/17/09 11:57.
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