I happen to find this website(http://coolors.co) a few months ago. It’s a great and simple color schemes generator that I have found on the web. Plus you can book mark your color scheme to go back to anytime. Be sure to check out the tutorial too.
Zoom Document to 100%
Cmd + 1 zooms the document to 100%
Change Brush Size Quickly: By http://photoshopsecrets.tumblr.com/ On a Mac, select the Brush tool, hold ctrl + alt, then click and drag up and down to change hardness and left and right to change size.
You can also press [ and ] to change size, and shift + [ and ] to change hardness.