Thank you, I'll try to remember these tips next time I'm drawing.
I did several quick nude drawings and I want to know what I'm doing wrong or right. Here are the three I did.
http://boulaycmb.deviantart.com/art/Untitled-372695234
http://boulaycmb.deviantart.com/art/Untitled-372696127
http://boulaycmb.deviantart.com/art/Untitled-372696362