In The Sims 2: University, there are around 4 new careers containing 40 new jobs in total. This article shows them all. This page shows each career as an image as well as the costume unlocked for each job if any is unlocked.
These are all the outfits that can be unlocked if you put your sim into the artist career. The job title below each image corresponds to the level at which they are unlocked. Keep in mind that not all levels unlock a costume for this career.