how to use camera digital

i want to use digital web camera in my project.....
but i dont know how my digitsl web camera can work in vb....
how the video safe..
i think i wantto safe it as jpeg file or mpeg file

hope anyone can give me the right solution

plss thanksssssss

I try use videocap activex control in my video capture project.
It is easy to use.

you can try http://www.viscomsoft.com/products/videocap/