In addition to the 'mincing' employee, who looks much like the cowboy from the 'Village People', there's a line-drawing nude above the bar that seems a bit too detailed and would have been censored in the Code era to follow in the early 1930s.
Mae Dahlberg was Stan Laurel's common-law wife at the time The Soilers was filmed. They never married, yet Mae was billed as Mae Laurel in several of the films she and Stan performed in. They split two years after this film was released and returned to her native Australia.