Back when Ubuntu 11.04 was released, we wrote a post about stuff you may need to tweak or fix. Some of those tweaks still work but since this is a new version, there are new things that need tweaking so I've decided to make a new post with some popular old tweaks as well as some new ones.
You can do just about anything to an image with Photoshop, but if you don't have the cash to shell out, free program the GIMP—available for Windows, Linux, and OS X—
can take you pretty far. Here are our favorite Photoshop how-tos that also work in the GIMP.