To other Linux n00bs, like me... You can run programs that are not compatible with Linux yet (Photoshop, Joost, etc...) using Wine.
Gimp, which is a Photoshop alternative for Linux, is great but I still love Adobe Photoshop, that's why I use it over Wine in Ubuntu. :)
Here's a video of Wine running Joost client on Ubuntu...
[youtube]eZIkkpt4HOI[/youtube]