@Tom, I have a proposition for you.
I can take over the store for you, and to make it easier on you, build a separate website in which you can link from here (save you some bandwith).
I already have connections established with Manufacturer's in China (and America) as well, so I can keep making the current line of figurines.
I'll take over all the operations of physical goods, including working with other creators here as well as introducing new items (I'm thinking Halloween costumes right now), and do all the work and hire someone on my own accord to help.
In exchange, I will give you a certain percentage of the sales, as well as give a percentage of said sales to any product using a creation of someone here (Example: In Starbarian's figurine sales, part of that money would go to The makers of Starbarians). We could negotiate percentages here or in PM's if your interested.
This would also encourage more developers to create and post their content on NG as they can make money off the merchandising is their creation becomes popular enough.
Another thing I would want implement would be voting points; Everytime a user correctly blams or saves something, they earn a point. Enough points can get you free stuff at the store. However, to make it more balanced, anytime a user incorrectly blams or saves something, they lose 3 points (this is to prevent abusing the point system by preventing mass blind voting).
Also, the daily 5 votes net you 1 point as well, which would also encourage daily voting in general.
And finally, to give more meaning to voting in the music and art sections, I can offer to create albums and high quality prints of musicins/artists who gain a certain number of votes and (maybe) downloads. Like all other material sold, they will gain part of the revenue as well.
I think this business model would be key to retaining creators from leaving NG and going unto other sites such as Youtube and Soundcloud, while increasing traffic here as well.