Recommend distribution for Graphic Design

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http://unix.stackexchange.com – I'm new here. I need for a Linux Distribution for my girlfriend, to install on her computer (in a VM, to be more exactly). She studies Graphic Design, and she use to work on Windows XP, but she got problems with License and other stuffs (also, her machine is a little older), so a proffesor on her University recommended her to work on Linux. I do some research and I found Ubuntu Lucid Lynx here, and it looks like it will work for her. I've seen the tools that the distro has, but I don't know how useful are. She works a lot with Photoshop and Illustrator as far as I know, but she could use som (HowTos)