Just try to tell me this is not the cooooooolest thing you've seen all day?
http://www.velovogue.com/2011/07/tak...-work-day.html

Too bad my dog weighs 6x what that chihuahua probably weighs... he'd totally dig riding on the bike with me!

http://www.basil.nl/gb/assortment/

(I do have a Croozer dog trailer for him, but that doesn't seem like as much fun.)