Open 2 pics..go File, open and click on your images..if you want to you can do it twice or just click one, hit ctrl, then your other pic To crop it..er, use the lasso tool, right click and go to tool options..a little tab should pop up if its not already open. Put it to point to point then go to your image and click around where you want Hit ctrl c to copy then go to the other image you want to put the cropped image and hit ctrl v. Done! Hope that helped As for tips, just play around and practice