Photoshop is really easy in an actuality, well the basics are easy. the advanced portion of photoshop is incredibly complex and tedious.
The best way to get pics from LEDs is to take the picture in a RAW format and upload it to your computer, after uploading, open it in photoshop, there should be a screen that comes up that gives you editing options on the left side and the picture on the right, with the "temperature" slide move it to the desired temperature range and it will eliminate the blue washout you get with LEDs