You can upload videos to youtube and share the link.
The only other thing I can think of is to try it in a new game to see if it's happening in a new game, with a new household to test. There might be something trying to corrupt your current game. I don't know, like I said I can't see the glitch well enough.
You may want to ask about the issue at Answers HQ [https://answers.ea.com/t5/The-Sims-3/bd-p/the-sims-3] to see if anyone there might be able to help you further.