A little late (okay, really late) on the draw on this one, but this or something similar would have been my suggestion mounted next to the bike rack:


http://www.azp-brno.com/data/foto/foto_930.jpg

Metal Man, you may want to investigate the tax benefits for both employer and employees. Here's a good place to start: http://www.biketoworkinfo.org/resources/rsc_tax.cfm

My wife got a bill from work in the mail yesterday. She's been having health issues so still hasn't been riding much. The bill is for $1, the postage on it was $.46.
http://i63.photobucket.com/albums/h1...D/bikebill.jpg