Those look pretty good but these are what i went for (i got the two of them commissioned by different people based on recommendations from this forum thread.
The image of cav was done by a forum member called Alan Kinsey (forum name: raindog, website http://bikesandpaint.blogspot.com/
) and i think it looks really cool and really modern. And he takes commissions!!
The image of team gb is more traditional but equally cool and the photo really doesn’t do it justice. It was done by the guy from this website www.veritasart.co.uk
and if you really like it you can buy a print of it!