I also just started with photoshop,have it for 3 days now,thought it would be nice to alter some pictures,but it's hard to learn to handle it.Found a nice Dutch Adobe link page,lots of tips and sites,hope i learn it that way.
Here's a site with lots of info on photoshop plug-ins
PHOTO
And here's that Dutch link page
ABRACADABRA
(a lot in English,so not that hard to understand)