This one isn't bad either - I can picture someone removing it from the housing and mounting it below the CD Changer in the plastic bezel
http://bestofferbuy.com/4x4-Plug-in-...campaign=gbase
Looks like here is a mini one - bet that would fit nicely somewhere
http://bestofferbuy.com/Mini-Car-Veh...campaign=gbase
And a black one - bet you could trim the housing
http://bestofferbuy.com/Black-4x4-Pl...campaign=gbase