I have some photo of people (close ups on the detail sections of the head and body) but I have problems making skin textures with them. I always come out with blotchy looking skin with patches where you can visibly tell thre are lines. I know about using the stamp feature in Photoshop but most peopels heads aren't one color throughout and I usually end up with a skin file that just has the tone all wrong. Is there anything I'm doing wrong or could be doing better? Also is there anything that could help me (a pluging or brushes or something?