ok here's what you do...
Get a windows mobile phone preferably a ppc version. Install the software called remote tracker. with lets you run commands remotely from another phone or any sms.
http://remotetracker.sourceforge.net/
Install Live cast for the live streaming video..
http://www.livecast.com/corporate/index.html
Buy an at&t go phone from walmart for 19.99 throw the phone away and just use the SIM card.
There you have it a remote controlled camera stream.