Sometimes, self-designed majors are pretty self-explanatory (eg. biophysics at Wellesley is an independent major), others are a bit harder to define. Here's a list of courses included in my major:

Art 165 (Intro to Video Production)

Art 209 (Basic 2-D Design)

Art 224 (Modern Art to 1945)

Art 225 (Modern Art since 1945)

Art 265 (Intermediate Video Production: The Documentary)

Art 350 (Independent Study: Electronic Imaging)

Art 360/370 (Thesis)

Computer Science 111 (Intro to Computer Science)

Computer Science 230 (Data Structures)

Computer Science 307 (Intro to Computer Graphics)

Computer Science 349 (Visual Processing by computer and biological vision systems - now CS332)

Sociology 216 (Mass Media and Communications)