Yes I have a camera working , it is an old very old IBM usb webcam.
here is what worked for me.
Since my camera is very very old maximum resolution it can have was 320 * 240.
under admin website. Devices---->core--------->motion wrapper
there are motion parameter. in which I found #image settings and I changed my width 320 and height 240 according and reload, reboot the machine.
Boom,,, I have and old usb camera working as security camera. LOL
Hope this helps.. let me know
Take it easy.