icons still not showing up...

I am now updated with the latest versions of BP, WP, genesis, and genesisconnect(for our studiopress theme) I have uninstalled and deleted the activity plus plugin, re-downloaded, reinstalled and activated, but the icons are still not showing up. here is a link to the activity page:

http://www.trailsherpa.com/activity

please help! before we upgraded the plugin, it was working beautifully!