the folder featured image is not displaying

Hello, first of all sorry about my english, i’m new in wordpress and i find your gallery the best of all, but i have a bug try to displaying the folder featured image, when i try to asign the image, wordpress don’t let me to do it, i’m using wordpress 3.2 and Eazyest Gallery 0.1.3 versions.

I hope you can help me

thanks

Yury

https://www.ads-software.com/extend/plugins/eazyest-gallery/