We do have bulk pricing you can inquire at email@example.com
1. You can set permissions in photopost usergroups based on what evergroups they are in but any user management takes place in the forum.
2. The languages are only front end not back end.
3. The direction is rtl fine you may need to edit templates and change your align statements from left to right.
4. If your talking vbulletin styles you would need to find sites that sell vb
styles. We do not sell vbulletin forum stylesheets.