How to make a kick ass Wolf Lord on bike

I wanted to make a cool wolf Lord for my Space Wolves army, since there isn't any cheap way of doing a wolf lord on thunderwolf (need help from Forgeworld!) I put him on a bike and gave him the big round base (so I can use him as if it was on a giant wolf).

The idea came from a post on the GW site that was about a similar miniature, enjoy the picture: