How to install web cam in my man mini?

Hi,
I have added usb external its type it has 4pins and I added an ordinary usb webcam, how can i used this in my yahoo messenger? If I'll start my web cam in ym it says no camara connected.
Any help pls?
Thanks.
Arnel

AndyO
You are absolutely correct - iSights are expensive (here in the UK they are about £100) Using a camcorder is a good solution for occassional use except that they have the annoying habit of powering down at unexpected times when they are not actually recording. On the plus side they tend to have better lenses than even the iSight so work better in low light level indoors. There are also reports of regular use damaging the recording heads through spinning on a tape that is not moving. Not all camcorders now have firewire - a large number seem to only have USB.
There are some USB webcams that claim to work with Macs - not many - my understanding though is that they don't work with iChat only with Yahoo. This might also be the case with the drivers available at the site in my previous post.
At the end of the day individuals have to decide how much use they will make of a webcam and on which system then look at what is available or what they already have. The important thing is to do some homework before spending any money and check that new hardware will work with a mac and for what purposes.
While I agree that the iSight is seriously overpriced it is the best solution if starting from scratch as they are well designed, work flawlessly with a Mac and there are quite a few other applications that can use it too - iStopMotion, Delicious Library etc.
Me - in this case I'd keep checking out the drivers before spending anymore money.

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