Joy of Tech makes a good point about the pricing of Adobe products. If you can’t afford to buy a copy of Photoshop then give the GIMP a go. It’d free, it’s what I use to process all my photos and it has many of the features most people need. (via)
Except where stated in the post, photos posted on or after January 1st, 2014 are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Basically, do what you like with those images but always credit Donncha Ó Caoimh as the author and link here. You'll also have to license the photo under the same license.