• The Ultimate Guide to Terminal Server Printing - Read this first! Gives a good explanation of the challenges faced when printing in TS, and what the 3rd party tools can do to help
• Microsoft - Terminal Services and Printing

Fallback printer driver support:

• Microsoft Terminal Server Printer Redirection Wizard Tool - automates the process of creating ntprintsubs.inf! Make sure to use MINI drivers...
• http://www.brianmadden.com/content/article/Updated-Microsoft-adds-Universal-Printing-to-Terminal-Server
• http://www.brianmadden.com/content/article/How-Microsofts-Windows-2003-SP1-Fallback-Printer-Driver-Works-which-now-supports-color