There are some image groups created especially for you by your instructors - to access these:
Click on Browse > Image Groups
Once you get to the Image Groups page, look on the left side under Tags for ARTS SLO
Click on ARTS SLO
The various Image Groups will be listed, look for your Instructor or Class (depending on what your Instructor has told you)
Here are some great resources to help you understand how to use ARTstor with all its many possibilities!