- http://groups.msn.com/DiyProjectionTV/ - lots of help and pictures
- http://www.projectiontv.co.uk/ - more guides and tips
- http://www.projectiontv.co.uk/shop.htm - buy a fresnel lens
- http://discussion.projectiontv.co.uk/ - help forum for projectors
- http://www.DIYProjectors.tk - another guide and place to buy lens'