want to link custom nexgen gallery custom field url with this plugin

hi i am using gallery images in my site with nexgen gallery,and also used the nexgen custom fields plugin for url or any other custom field,but i had now problem now,i want to download software,games,movies and songs with linking to url of these images means by clicking on custom url link,is it possible with this plugin.

https://www.ads-software.com/extend/plugins/download-manager/