In building my project, I've came across a few custom processors. I've used some of these as guides and improved a few, but there was no comprehensive list of resources for the various formats. It would be nice if we had a sticky with a resource list, etc. Here's a few to get started. If you know of a resource please post it below.

Techniques

Heightmaps:
http://creators.xna.com/Headlines/developmentaspx/archive/2007/01/01/Generated-Geometry-Sample.aspx

Billboards:
http://creators.xna.com/Headlines/developmentaspx/archive/2007/01/01/Billboard-Sample.aspx

SkyDome:
http://creators.xna.com/Headlines/developmentaspx/archive/2007/01/01/Generated-Geometry-Sample.aspx

Resizing Textures (resize non power of 2 sized textures to the next nearest power of 2 size)
http://xna-uk.net/files/folders/samples/entry993.aspx

Cubemap:
http://blogs.msdn.com/shawnhar/archive/2008/03/04/cubemaps-the-salt-of-computer-graphics.aspx

Texture Atlas 
http://xna-uk.net/files/folders/samples/entry983.aspx

File Formats

OBJ
http://creators.xna.com/Headlines/developmentaspx/archive/2007/01/01/Custom-Model-Importer-Sample.aspx

BSP
http://www.codeplex.com/q3libxna/Release/ProjectReleases.aspx?ReleaseId=3478

MD3, PK3,
http://www.codeplex.com/XNACommunity/Wiki/View.aspx?title=Importer%20de%20MD3&referringTitle=Ejemplos

Collada
https://collada.org/public_forum/viewtopic.php?t=651
http://www.codeplex.com/XNACommunity/Wiki/View.aspx?title=ColladaDemo&referringTitle=Ejemplos

ZIP files:
http://www.codeplex.com/easyzip

Config (.INI File) parser:
http://www.codeplex.com/easyconfig

LUA
http://www.xnua.com/xna_lua_xnua

AVI
http://www.codeplex.com/ScurvyMedia

GIF (Animated GIF)
http://www.codeplex.com/xnagif

How To Articles

How to Write a Custom Importer
http://msdn2.microsoft.com/en-us/library/bb447754.aspx

How to write a custom content importer with XNA 2.0 - ZiggyWare
http://www.ziggyware.com/readarticle.php?article_id=166

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Jim Welch

Nice list... i moved it to the faq folder..

People will possibly reply to the thread with other ones and you can either move them into your thread or the mods will do it for you...

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