Here's the latest round-up of public user-created generators:

London Bus

The London Bus design is a red bus on route to the delightfully-named Hackney Wick.

Big Tent

The Big Tent design is a message on the side of a big tent in a park.

New York Taxi

The New York Taxi design is an ad on a taxi in heavy New York traffic.

Child Reading

The Child Reading design is a toddler reading a book - is it upside-down?.

Bus Stop Palms

The Bus Stop Palms design is a bus stop in a city with palm trees.

Baby Blocks

The Baby Blocks design by user michisjourdi is a baby playing with blocks.

Start Your Engine

The Start Your Engine design is a billboard looming over a nice looking car.

Tree Restaurant

The Tree Restaurant design is a restaurant in Okinawa embedded in a tree.