We rummaged around and dug up an old Antec clear LED fan to play with. After a bit of manuevering, we managed to screw it into place.
You may have to cut a few joining pieces on the mesh to get the right holes to line up. Don't worry, they won't be visible in the front.
You can finish this up by screwing it in and calling it a day. We didn't like the bland color so we grabbed a can of Rust-oleum Metallic Yellow paint and sprayed a couple of layers onto the mesh.
Give it up to about an hour to fully dry and you should get something like this:
Install the mesh and the fan onto the case and here's our final product:
Not at all shabby for a quick hour of work and a few bucks.