Photoshop CS4 - Help and tutorials

Watermarking in CS4:

rodney trotter - big up yourself:

In its simplest form it's a new text layer in photoshop, text white, slight
drop shadow with opacity anywhere between 20-50% (depending on the photo).I've
made the text layer into a gif (transparent background) and set up a custom
action so when I hit CTRL-F12 it loads it up, copies it, switches to the
previous tab, pastes it and sets opacity - saves the repetitiveness.If you
follow that then cool

in a bit more depth: http://www.photoshopsupport.com/photoshop-blog/09/cs4-03/create-action-watermark-images-photoshop.html

Some great and helpful tutorials:

http://www.layersmagazine.com/category/tutorials/

http://www.planetphotoshop.com/category/tutorials/

http://www.photoshopcafe.com/tutorials.htm

http://psdlearning.com/

http://www.melissaclifton.com/tutorial-warholphoto.html