骨架畫法已經有很多相關文章
http://wolfbbs.net/viewtopic.php?t=14451
http://wolfbbs.net/viewtopic.php?t=15610
http://wolfbbs.net/viewtopic.php?t=15804
http://wolfbbs.net/viewtopic.php?t=15615
http://wolfbbs.net/viewtopic.php?t=20428
http://wolfbbs.net/viewtopic.php?t=26815
http://wolfbbs.net/viewtopic.php?t=28590

關於腳部問題也是
http://wolfbbs.net/viewtopic.php?t=21024
http://wolfbbs.net/viewtopic.php?t=32205

麻煩問問題之前先爬個文吧
繪圖切磋這邊的文章又不是很多(遭拖)