Articles on Photoshop Colour Management -

Pinhole Photography - Justin Quinnel -

Photoshop Plug-Ins

Lots of Interesting Photoshop stuff

Photoshop Techniques, Hints & Tips

Freeware/Shareware
Some interesting stuff - no recommendations - no liabilities accepted!

Irfanview - Freeware Image file software, incorporates batch operation, file roration, slide show, etc.

Pictures To Exe - Shareware Slide show software.

Digital Photo Slide Show - Shareware Slide show software.

Free Photo Plug-Ins

FastStone free imaging software