General Photo Guides & Tutorials

One of my favorites to help you learn photography digital-photography-school.com
boagworld.com/design/stock-photography
diyphotography.net
smashingmagazine.com/2009/04/22/the-ultimate-photography-round-up

Exposure

Great Exposure Tutorial
Excellent Guide on Exposure
Great Manual Mode Tutorial

Choosing Color Palettes from Photos

Examples: http://sarahhearts.com/category/color-palettes/
Tutorials:
Ai: Illustrator Mosiac Grid
PS: Indexed Color Color Table Swatches

Composition

http://www.slideshare.net/photoblazr/how-to-make-strong-photographshttp://www.digitalcameraworld.com/2012/04/12/10-rules-of-photo-composition-and-why-they-work/
http://digital-photography-school.com/5-elements-of-composition-in-photography/

Tutorials

HDR
http://www.stuckincustoms.com/hdr-tutorial/
http://www.photoshopcafe.com/tutorials/HDR_ps/hdr-ps.htm
http://www.adidap.com/2006/11/25/photoshop-tutorial-hdr/

Animated Photographic GIF
http://www.amusingplanet.com/2011/04/jamie-becks-animated-gif-photography.html
http://www.briandalessandro.com/blog/create-an-animated-gif-in-photoshop-cs5/

Inspiration and Helpful Tips
http://www.wix.com/blog/2012/10/10-amazing-photography-diys/
http://jessicawalsh.com/
http://blog.jessicawalsh.com/?p=198
http://www.peterhobbs.com/articles/article5/article5.html
http://www.shootingdesign.com/
http://justcreativedesign.com/2007/12/24/photography-tips-for-designers/
http://www.wittysparks.com/2008/08/16/some-great-photography-techniques-tips-tutorials-and-resources-part-1/
http://www.glossy.tv/
http://trendland.net/2009/07/11/henry-hadlow-graphic-design/#

Light Tent
http://www.digital-photography-school.com/how-to-make-a-inexpensive-light-tent
http://www.ezcube.com/step-by-step.html