+1 Airdroid and nothing elseTo transfer photos and any files I have found AirDroid to be the most awesome.
The Airdriod interface in browser provides a Linux like UI for your Android. You can control your phone from the browser, browse files and contacts and much more. It's really cool.
But we can't remove them unless they post spam URLs.This thread has become a honey pot for spammers!
Yes, we can recognize. But they have to be caught 'in the act'. Its not considered good to ban based solely on suspicion.They are getting smarter. Initial posts will look like regular posts and after a long time, the edit will take place.
Makes your work much harder.
I am sure you can recognise them right away and keep a watch on their activities.