I know that there are plenty of people using Adobe Photoshop. Here comes the time for your list of links to resources that could be useful to you (and me), this time with a large representation of the excellent tutorials from Digital Photography School (but not only them).
- Smarter sharpening with the High Pass filter
- Light Stalking : Lightroom or Photoshop, What is Really the Best Post-processing Software?
- How to Adjust Levels in Photoshop, a video tutorial by Scott Bourne (on Vimeo)
- Dodge and burn: In Photoshop Elements and with Adjustment Layers And Masks in Photoshop.
- A Quick and Effective Way to Enhance Contrast
- How to Batch Resize in Photoshop
- Photoshop: Working with Locked Pixels
- Seven Photoshop tips for better portraits
- Isolate an Object from a Complex Background in Photoshop
To close this issue, I’d like also to propose how to detect photoshopped images and the tools you could use:
- Your own eyes
- Image Error Level Analysis
- Photoshop itself, while pushing contrast and brightness levels to their extremes (up or down) to evidence the local differences