@johnesher
I had the blur problem as well. My solution was playing around with the frame rates (lower them one by one until it disappears). Especially when running a cam in high resolution mode. Mostly configurable either with the tool coming with the camera or the web based configuration. This is what helped me solving this issue. Cheap network cable could also cause problems (i.e. interferences from other devices or power lines etc.)
I hope this helps.
