Troubleshooting Color issues applications viewed in XenApp or XenDesktop

These articles have been very helpful for me in troubleshooting graphics issues on XenApp and XenDeskop
http://support.citrix.com/article/CTX132709
http://support.citrix.com/article/CTX128332
http://support.citrix.com/article/CTX130849/
Blinking in browser:
http://support.citrix.com/article/CTX133935