Tank trap/ Barbed wire model for hammer (TF2)

I’m trying to create a war-themed map for TF2, is there someone who could create models of WWII tank traps and barbed wire?
Something like these:

http://www.mrmof.com/wp-content/uploads/2009/03/sperre01.jpg

And barbed wire like this:

Or if these already exist, a link.
Thank you for those with usefull information.

http://www.redbubble.com/images/clear.gif

http://www.redbubble.com/images/clear.gif

Day of Defeat: Source has most of these already.

But he says he wants it for a TF2 map, so he’ll need it in the TF2 style which might just mean reskinning it with a TF2 style texture.

That too would be nice, -snip-
Found the models in DoD, need TF2 texture style tough.