Now, I don't consider myself a texture artist, far from it - level design is my game - but I have a good digital camera and an even better eye. So, I feel taking source photos and converting them to game textures is a viable enterprise for me.
Problem is, all the good stuff needs to be made tileable, and I have no idea how to do this. Any of you texture impresarios got any tips, tutorials or resources to help me out? I really want to strive towards custom content rather than chestnut HL2 stuff, and this is the first step.
Below is an example of the kind of pictures I've taken that need tiling:
[Blocked Image: http://img143.echo.cx/img143/2669/p10003195kk.jpg]