Im thinking of switching from XP to Linux as my dad tells me the Operating System is free and most of the software is to. I want to use it for photo and movie editing. Are there any freebies with linux that would be similar to Adobe PhotoShop and Adobe Premier?
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Coming this April from Mr Shuttleworth and the nice Ubuntu folk just might be what you are looking for http://ubuntustudio.org/ This is going to be a new Media centric Ubuntu derivative for just the sort of thing you describe. I've not had a chance to read up on it much yet but it looks very interesting. Essentially a distribution focussed on media creation.
You could also want to take a look at dynebolic.org who are another media centric distribution which has had very good press. This one runs as a liveCD so you can try out the tools without having to install them.