I have tried both and use a different one (Thumbgen) http://www.mede8erforum.com/index.php/topic,2006.0.html
They all do the same but I find thumbgen more user friendly and just works better.
Currently there is no support for moviejukebox features yet and im not sure if there ever will be.
For now it just reads the folder.jpg and about.jpg to display info for the movie so best bet is to check the samples from each app and decide which one you like.
Here is a sample from thumbgen. I modded one of the stylesheets to make it look how I want.