Vollenc, I did a search on the forums and found some very interesting build for the Sherman and the Pershing tanks. There were a few diferent ways that I've seen to make the cast appearance look convincing. I went with a paint called Mr.Surfacer 500. All you do is take a brush and just dab it on and keep doing it in small areas at a time. This stuff dries really quick and the tapping motion of the brush gives the effect. I only used 1 coat on the turret and then did the front hull and a section of the rear hull. It looks quite convincing inperson...again my camera skills are limited to pushing the little button and hoping for the best.