Oil paint dilemma! ''Oil paint Portrait- Che Guevara''

Hola! did this oil paint version of ''Che Guevara''. it'll be for sale on http://www.etsy.com 

''hehe..pencil on canvas and lack of concentration :P was watching Ren and stimpy so it's quite obvious''

''Finally!!'' 

So please give your expert comments for the improvements ;)  

''The revolution is not an apple that falls when it is ripe. You have to make it fall''

                                                                      Che Guevara