The new Ubiquiti Aircam is an great and cheap IP webcam.

= Quirks =
* As in 1.13 do not issue PAUSE on the RTSP as it causes the stream to crash.
* If you have DHCP running it will get an automatic IP assigned. 

= Single Snapshot =
You can get an single snapshot using the HTTP or using the RTSP:
HTTP:
$ curl -c cookies.txt http://ubnt/login.cgi && curl -LH 'Expect:' -b cookies.txt  -F username=ubnt -F password=ubnt -F uri=/snapshot.cgi  http://ubnt/login.cgi | display

RTSP:
$ ffmpeg -i rtsp://ubnt/live/ch00_0 -frames 1 frame.jpg