Usefull tool for modeler-creating detailed texture ( normal map ) ,for model

Edit:/ deleted 1 very good bumpmapping program ( beta stage free) commercial product

XN-normal map - from highpoly model generate texture ( map) for lowpoly model , to make it detailed http://www.xnormal.net/

Nvidia Melody - create maps to look Low poly models like High poly http://developer.nvidia.com/object/melody_home.html

And here something wonderfull http://engineering.soclab.bth.se/tools/177.aspx

Wallbump - nice little application http://delphi3d.net/download/wallbump.zip


and here page http://ati.amd.com/developer/tools.html