Your plugin is almost perfect for me. But I think a "MaxDays" property would more than welcomed ^^ It seems like a basic feature for me to limit the output. I'd like to only get items for the last 7 days in my case. In addition to that property, I think it would be nice to have also "MaxItems". They could play nice together.
I am a plugin developer too (Media File Renamer, WP Retina 2x), so if you don't have time and don't mind me forking your project, I can very quickly and easily add those features. Or maybe you can add me as a developer on this project and I will add those features, that would probably be even better. I don't like to modify the code on my own copy of the plugin and to merge in the new changes at every update :)
Thanks a lot,