Welcome to the forums!
That'll change the more you post
After 250 posts you can change it to what you want.
Registered Users Extra 2 (250+ posts):
Same as above
Custom avatars allowed, 120x120
Graphics and Text sigs allowed, maximum size of 600 x 150 (according to the rules)
Custom forum titles.
It's near the bottom if you'd like to read through these.
Tech & Computer Forums - Announcements in Forum : New Member Introductions
Anyways, as for Photoshop.. It's been years and years since I did anything very technical in it. I used psdtuts to learn
Adobe Photoshop Tutorials from Beginner to Advanced | Psdtuts+
They have tons of tutorials