This is a list that I'm "assembling" for myself when I randomly spot a solar system related add-on on OH. Maybe it can be a starting point...
In no particular order:
[ame="http://orbithangar.com/searchid.php?ID=4929"]Enceladus[/ame]
[ame="http://orbithangar.com/searchid.php?ID=2825"]Enceladus Level 8 Texture[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5930"]Dione Level 9[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5022"]Level 8 Saturn's Rhea - Rhea L8 Textures v1.0[/ame]
[ame="http://www.orbithangar.com/searchid.php?ID=2140"]Titan Hires Textures[/ame]
[ame="http://orbithangar.com/searchid.php?ID=4827"]Level 8 Titan[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5878"]Level 8 Titan with lakes[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5876"]Level 8 Triton and clouds[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5878"]Level 8 Titan with lakes[/ame]
[ame="http://orbithangar.com/searchid.php?ID=3322"]Callisto lvl8[/ame]
[ame="http://orbithangar.com/searchid.php?ID=3319"]Ganymede lvl8[/ame]
[ame="http://orbithangar.com/searchid.php?ID=2561"]Moon Hi-Res Map[/ame]
[ame="http://orbithangar.com/searchid.php?ID=4356"]Venus HiRes Level 8[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5133"]Venus 8 level texture[/ame]
[ame="http://orbithangar.com/searchid.php?ID=1875"]Planet Mercury Level 8 High Resolution Surface[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5570"]Mercury Level 9 Textures[/ame]
[ame="http://orbithangar.com/searchid.php?ID=4595"]Pluto and Moons[/ame]
[ame="http://orbithangar.com/searchid.php?ID=2146"]Io Hires Textures[/ame]
[ame="http://orbithangar.com/searchid.php?ID=3107"]Level 8 Io texture with night lights[/ame]
[ame="http://orbithangar.com/searchid.php?ID=4666"]Level 8 Jupiter[/ame]
[ame="http://orbithangar.com/searchid.php?ID=3110"]Europa level 8[/ame]
[ame="http://orbithangar.com/searchid.php?ID=2688"]Deimos Hires[/ame]
[ame="http://orbithangar.com/searchid.php?ID=5235"]Level 8 Uranus UPDATE[/ame]