Great plugin

This plugin is eaxctly what I was looking for.
I have lists of links and wanted to make them more visually interesting without making images for each, and this plugin does exactly that.
Maybe some more options or the ability to edit the button will be in the ‘Pro’ version?
An example of the buttons is here: http://www.thesciencequiz.co.uk/tests/

Thanks for your work!
Mike