Photoshop alternative for Macbook

[muldul]

As you can see from the title, i am looking for a free/Cheap photoshop alternative that will work on my macbook (specs below in signature). I just need to edit a few pictures and so would not be a heavy user. Any recommendations?

 

[SpookyLars]

Look at Pixelmator.

 

[Batt]

There are two other recent threads in this forum (Mac Apps) that pretty much answer your question.

 

[EvanLugh]

A search would have helped you big time, but you can try the gimp, pixelmator