How to connect pc to tv using vga to 3 rca cable?

my pc having graphics card hd6670 output is (vga,hdmi,dvi-i dual link) To my CRT TV input is RCA (yellow(video),white (audio-left) and red (audio-right)..

1.My question was how to connect.

2.somebody say buy converter (vga to rca)

3.somebody say my graphics will support
i need help plz suggest, i like to watch all downloaded movies in TV...


My system configuration is..

Intel Pentium 4 Processor 3.0GHz
Gigabyte 8I915ME MotherBoard,LGA 775
1.5GB RAM=(1+512)
SEAGATE 80GB IDE HARD DISK
SEAGATE Barracuda 500GB 7200.12 SATA HARD DISK
AMD Radeon HD 6670 Graphics Card
IBALL 400W SMPS..