If you have ever gone to buy a new memory card for your digital camera, you have asked yourself, which card is the fastest. Here is a great write up on how to tell the speed of your SD ( or Compact Flash ) memory cards.
http://blog.robertsimaging.com/blog/roberts-imaging/0/0/understanding-sd-memory-speeds

http://www.adidap.com/2008/10/30/tips-for-shooting-star-trails-pictures/

A must watch for anyone who loves street photography.
http://eolake.blogspot.com/2008/10/street-photographer.html

For those Nikon users in our group that have access to an SB-800, this one is for you! A great tutorial about using your SB-800 off camera.
http://yanikphotoschool.com/personal/lighting-a-tent-with-an-sb-800-tutorial/

 DIY Photography has the second part of the uses of small strobes off camera to improve your photography. If you have a flash for your SLR, you should check this out to see how useful they are when you move them off camera.
http://www.diyphotography.net/exploring-small-strobes-why-use-speedlights-off-camera

When most of us think of caves, we think of dark, damp, holes in the ground. How wrong we can be sometimes.
http://www.darkroastedblend.com/2008/10/caves-world-beneath-world.html