http://www.planetscapes.com/maps/

from the front page:

Welcome to the Solar System Maps and Models home page. This site is dedicated to maps of the solar system, and 3D modeling of planetary bodies and the spacecraft that visit them. Most of the maps and models come from public domain sources, but some are copyrighted. Please respect the copyright requirements on these products.

Cylindrical Maps
This collection of maps can be used with 3D computer graphics programs. Most of the maps were created from multispectral images taken by NASA spacecraft, but some are artistic in nature and should not be used in scientific analysis.

Planetary Models
This is a collection of plantery models used in 3D graphics programs. It includes some of the smaller moons in the solar system, as well as asteroids and spacecraft.

Photo Gallery
A photo gallery of planetary artwork for your personal enjoyment. Almost all of these pictures were produced from 3D graphics programs.

Fun Stuff
Here you will find a fun collection of mapping activities and software. Build your very own solar system and produce interesting spherical models from your own photographs.