If you are using Cloudsync get the desktop manager for it. It has an upload folder that will put supported videos and photos back into you Photos app.
You don't have to convert it. What I do is I first is drag the music to the desktop. next you drag the music to itunes . Then you put the music on a playlist or put it into the music file. Lastly you connect your iPhone and sync.
desktop
Just download Facebook from your App Store located on your iPhone.
Crackle is a great site to watch free movies on the iPhone.
yes
A site where you can watch movies for free on an iPad or iPhone is primewire.ag.
Make sure you have them in iTunes then select the sync movies option when you have your iPhone plugged in and the movie will be viewable in the videos app.
No you can not share iPhone apps.
you cant
Gtalk is available in iPhone too along with desktop. You can easily change the status there. You have click on your name at the top and then you can change.
on twitter