Macthemes.net - Mac theme news, reviews, and interviews. - http://www.macthemes.net/
Mac Themes Project - Designing information and downloads, including themes for Mac OS X. - http://sourceforge.net/projects/macthemes/
GirlieMac - Free Kaleidoscope schemes, wallpaper in resolutions 800x600 / 1024x768, screen saver, and icons for Mac OS. - http://girliemac.com/
MacMotiva - Mac OS X themes and desktop pictures. The three times awarded Mac GUI site is the reincarnation of MacDesktopGadgets. - http://planeta.terra.com.br/informatica/MacMotiva/roll.html
Lloyd's Kaleidoscope World - A guide to the world of plug-in color schemes for Kaleidoscope by Greg Landweber. Kaleidoscope allows you to redesign the MacOS user interface. - http://www.ee.surrey.ac.uk/Personal/L.Wood/kaleidoscope/
Blue Cat Icons - Freeware icons, desktop wallpaper, and Kaleidoscope schemes. - http://www.totoro.org/jen/
The Kaleidoscope Scheme Archive - Resources for Kaleidoscope users find the latest 3rd party schemes, tools and goodies, and join the mailing list. The one stop shop for scheme files. - http://www.kaleidoscope.net/schemes/
A Few Sides of Richard Bensam - Free Kaleidoscope schemes and other shareware and a collection of Macintosh links. - http://home.earthlink.net/~rabensam/
Kaleidoscope Schemes by Martha Royer - Shareware desktop schemes for Kaleidoscope in a variety of themes holidays, musical, Victorian and others. - http://www.gate.net/~royerm/