Photo Editing Techniques/Effects

[dstyle]

Seeing as this a large part of photography. thought ide start a thread on it.
so basically post up links, vids or in your own words different editing techniques/effects.

to start it off, this is a pretty good basic guide to a few effects

http://sixrevisions.com/photoshop/22-professional-photoshop-image-enhancing-tutorials/

[Halle Terry]

I just do CTRL + I every time.

[Mad_Aussie]

Use paths.