What application for accurate model painting, and starter resources

 From:  Frenchy Pilou (PILOU)
8369.3 
if you want just make a render image for 0 buck Simlab Composer Light (maxi 1920 *1080)
is an easy cool one! (takes any format of files)
http://www.simlab-soft.com/3d-products/simlab-composer-freelicensee.php#lite