They had contests to promote any number of movies, including CORSAIR. Here is a coloring contest for COLLEGE RHYTHM.
Reblogged from http://mostlypaperdolls.blogspot.com/2011_11_01_archive.html
Here is a picture of Mary Brian
Here is a picture from COLLEGE RHYTHM which has been represented as being Mary Brian and Lyda Roberti with Jack Oakie and Joe Penner. But it seems those are two other pretty girls.
Another picture of Joe Penner with the same blonde and brunette.