Try this, I have given it a caption and made that caption "MediaCar", since I did it before seeing your response.
I can make it any size/style you like, caption, bordered, offset from x/y...
The way it works is to create a regular windows window, then it overlays on top of that the DirectShow video render stream, so some of the typical things that you would see are a little different here.
I haven't tried it with MC because the only system I could find that had a video capture source (otherwise the program wont start) doesnt run MC. If you have problems I can put MC on there and reproduce the trouble you are having, but hoped to not to have to do that.
If this works for you I'll email the programs author and let him/her know so we aren't breaking anyones license restrictions here.