If you need an awful lot of video sources but they dont need to be high resolution - you can use a Zandar boxes to put more than one image on the same screen:
http://www.zandar.com/products/dxcontents.html
Other people do these as well.
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If you need an awful lot of video sources but they dont need to be high resolution - you can use a Zandar boxes to put more than one image on the same screen:
http://www.zandar.com/products/dxcontents.html
Other people do these as well.