How do I connect to my wireless AV method. VGA - Monitor LCD?

I have the time to screen LCD PC. VGA. I need to connect to the AV cable. I do this? Conversion is any? How about an external TV tuner with?

External TV tuner is an option only for it costs only about. 1000rs.

BuyTV at CES 2009 - Avermedia AVerTV Hybrid TVBox 11 TV Tuner

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8 LCD Color TV Tuner Monitor CCTV CAR Standalone VGA AV Input    US $96.95

Viewsonic N1630W 16 1366X768 LCD TV 169 VGA RCA Cable Tuner Speakers HDMI    US $199.31

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