videos do youtobe que podem ajudar
achei alguns videos bem legais dando explicação e tecnicas de desenho
desenho artistico - rosto de mulher
https://www.youtube.com/watch?v=dn-mCR-VOBc
Desenho de um olho com detalhes
http://www.youtube.com/watch?v=lyUBuQmO46E&feature=related
Pintando um rosto feminino
https://www.youtube.com/watch?v=KzkMbo9sEhY&feature=relmfu
Desenhando um rosto
https://www.youtube.com/watch?v=rmNhm5hIN8c&feature=relmfu
How to draw Comics #001 Hulk
http://www.youtube.com/watch?v=amSDL7rXEEI&feature=fvwrel
how to draw a dragon step by step 2
https://www.youtube.com/watch?v=6tAQYGnfRB8&feature=related
20 Minute Dragon
https://www.youtube.com/watch?v=oRGmv3KX21k&feature=related
Portrait of Will Smith (sketch nr. 26)
https://www.youtube.com/watch?v=lslbxM1t7X4&feature=related
https://www.youtube.com/watch?v=amSDL7rXEEI&feature=fvwrel
https://www.youtube.com/watch?v=6tAQYGnfRB8&feature=related
https://www.youtube.com/watch?v=oRGmv3KX21k&feature=related
https://www.youtube.com/watch?v=lslbxM1t7X4&feature=related