Today on PSDtuts there is posted an awesome post, which is definitely worth to share!
The posts topic is about 5 different skills which are useful to get almost perfect.
A small screenshot of the post (click on it for the actual article):


Source: http://psd.tutsplus.com/

I have been searching through some old posts at Abduzeedo and have passed by some interesting photoshop posts.

Photoshop Quick Tips #1




Photoshop Quick Tips #2




Photoshop Quick Tips #3





Photoshop Quick Tips #4




They are just quick tips, which give a nice result to your images.


Source: http://abduzeedo.com/

I have found an interesting post from PSDtuts. They are all about improving your designing skills (e.g. tips for Photoshop, Illustrator, After Effects, or other (free) software)
Today I will show you a few of these links, to get you started.

PSDtuts: 10 Step to Improve Your Photoshop Skills
GMZ DesignMaster rules:
Rule 1: Fonts
Rule 2: Colours
Rule 3: Contrast
Rule 4: Spacing
Rule 5: Depth
GMZ: What makes a great logo
SmashingMagazine's tips