Media Center Hosted HTML
Detect the Media Center Version and Remote Experience in Client Side JScript
http://blog.retrosight.com/PermaLink,guid,f0271b1a-b349-488e-a99f-12cbf5cef39a.aspx
Using Media Center Dialog, DialogEx, and DialogNotification in HTML
http://blogs.msdn.com/charlieo/archive/2004/10/22/246176.aspx
Scaling for Media Center Third Party Experiences + Design Template
http://blog.retrosight.com/PermaLink,guid,9cc857a9-997a-418b-8cf9-cf119fc208ab.aspx
Creating a web page that's designed for Media Center (part one)
http://blogs.msdn.com/mcreasy/archive/2004/02/23/78723.aspx
Using FindService and PlayMedia to change the TV channel in Media Center
http://blogs.msdn.com/mcreasy/archive/2004/03/09/86707.aspx
Using FindProgram and FindService to Tune to Shows or Channels
http://blog.retrosight.com/PermaLink,guid,e03eb3d9-cb03-44ca-b892-498a45bc8639.aspx
Hello World - Media Center Dialogs
http://blogs.msdn.com/mcreasy/archive/2004/03/02/82782.aspx
Combining PlayMedia, onPlayStateChange, PlayState, MediaProperty and MediaProperties
http://blogs.msdn.com/charlieo/archive/2004/11/19/267090.aspx
Remote Control Handler Template and Key Press Tool
http://blog.retrosight.com/PermaLink,guid,e87c3911-3cbe-48e7-b2c5-c38aca2c158f.aspx
Media Center Add-In
MSDN Article with In-Depth Coverage of the DVR-MS Format (Fun with DVR-MS)
http://msdn.microsoft.com/smartclient/default.aspx?pull=/library/en-us/dnxpmce/html/dvr-ms.asp
How To Build An Add-In For Windows Media Center Edition 2005
http://blogs.msdn.com/mcreasy/archive/2004/10/12/241449.aspx
Show Dialogs in Microsoft XP Media Center UI from an External Application
http://www.codeproject.com/dotnet/mceexternaldialog.asp
Building .NET Add-Ins for Windows Media Center Edition
http://www.ondotnet.com/pub/a/dotnet/2005/04/05/mce_part2.html
Time Travel with Windows XP Media Center
http://msdn.microsoft.com/smartclient/default.aspx?pull=/library/en-us/dnxpmce/html/positionchangeraddin.asp
Installation
Installing applications on Media Center
http://blogs.msdn.com/mcreasy/archive/2005/02/17/375600.aspx
Installing Components for Hosted HTML Applications
http://blog.retrosight.com/PermaLink,guid,7b06ef43-efff-4579-90a9-4039cf9c883d.aspx
Sample Applications
MCE-YAC, version 0.51 (some good fixes)
http://www.updegrave.com/weblog/ethan/archive/2005/02/20/256.aspx