Here's Robert Reich from 2013, about celebrating labor on Labor Day:
This one's funny but not safe for work. The YouTube poster explains that "This was a PSA that the voice-over person decided to record an "alternate" version of for fun."
Over at Lawyers, Guns & Money, Erik Loomis has a great series called This Day in Labor History/
My most in-depth post for Labor Day was this 2011 post.
I might update this post later with other links. If you have a post celebrating labor, feel free to link it in the comments.