@ Selander: yes, Yes, I have seen on the Flickr LDD's sam just after having started on mine. I contacted him via Flickr and he sent me his Brickshelf gallery with LDD. So I could learn the technique for building headlight.
I had already seen your gallery on Flickr long ago, and I totaly forgot that I had you put in my google chrome bookmark ^ ^
This is my topic on my french forum: http://www.legopirate.net/forum/phpBB3/viewtopic.php?f=34&t=7794
You can see my reference picture, that's why I put only 2 axle.
@OOS: yes, I think I will use the F1 wheels (8654) for the back.
@Legoless: yes, a sticker, I can :)
Thank all to help me :)