[Prims]

If it is your land, just go to About Land and look at objects.  You can then Return all the objects that do not belong to you.

[Scripters???]

This is a very simple thing to accomplish.  15,000L is way out of the ball park.  Sounds like you found a Gold Provider who is accustomed to working with large businesses rather than simple ordinary folks.

[Emerald viewer and voice]

Keep in mind that in SL and other viewers as well, you have to ENABLE the voice to work by going into Edit,Preferences,Voice and turning it on.  Otherwise, you get nada.