Hey guys, congrats for new version. It's looking great.

but can you please tell me how can i fill empty space in front page?

like this
[url]http://www.postimage.org/image.php?v=PqDhPZr[/url]

Hey...

You can change it via Admin --> Themes --> Manage Block.
If i'm right that is ads bar...

i have ads there, but in new version of JCow they are shown only in profiles, blogs, videos etc... but not on main and front pages