Forget the girl, check out the bag.

[Snoop Doug]

Buy this t shirt

[url]http://www.microcosmpublishing.com/catalog/title/407/[/url]

Cut out the front and stick it on a courier bag

Voila (kinda)

[Snoop Doug]

or just buy this patch.....

[url]http://www.microcosmpublishing.com/catalog/title/503/[/url]

[sid_day]

Some companies do full custom messenger bags including embroidered designs, for example:

http://bagaboo.hu/en

If you are one of the few people who rides with a bag on their right shoulder you can also have the buckles put on the appropriate side.

Reviews of bags can be found here:

http://www.fixedgeargallery.com/