Gnome 3 Extensions for Fedora 16

Tweaking gnome 3.2 gnome-shell is essential for everyday computing. Need Desktop Icons, Need all buttons, install themes, change wallpapers frequently etc. are essential needs. For new users the overlay mode of gnome shell, dash is little bit confusing first time. Also need the Alt+Tab, Weather extension, System Monitor, Calendar integration, Places menu, Applicaitons menu are