Thank you for you reply.
1) Please note that the maxine upload size is really due to other factor. This could be server upload limit caps, browsers timing out due to connect, or the PHP execution time being succeeded,which is generally set to 30 seconds.
2) The magic required to make the 'All Vidoes Plugin' work with user specific folders will have to be done on JoomlaWorks
side of things.
By all means you can pose the question to them however; in the meantime you could use the JCK Media Embed plugin and encourage your user to post video from other media portal like YouTube.
We will also consider you request and all with you permission will move this forum to the wish-list.