I have a canon digital video camcorder Mini DV MD120E which didnt come with a driver and i cannot get the images onto my computer

No. The Canon USA web site says the Canon DW-100 has a USB terminal and works with "USB 2.0 Hi-Speed (with compatible Canon camcorders only)." In other words, the Canon DW-100 burner works only with Canon's USB 2.0 camcorders. I have a Canon ZR200. The ZR200 has Firewire 400 digital video output, not USB 2.0 output. The USB port on the ZR200 is ONLY for still images. Video will not and cannot be output through the USB port on the ZR200. (Page 121 in the ZR200 manual mentions using the USB port on your camcorder for transferring still JPEG images to your computer.) You need a DVD burner with "DV Input" (also called Firewire 400 or IEEE 1394) to hook up your camcorder to burn Mini-DV tapes onto DVD. The Sony VRDMC10 Stand Alone DVD Recorder/Player has DV Input. The ZR200 camcorder did not come with a Firewire cable, but you can buy one at any electronics store or at a cheaper price online. Make sure that you get the right kind of Firewire cable, 4-pin to 4-pin or 4-pin to 6-pin, whatever the DVD burner you choose requires. (Your ZR200 has a 4-pin DV port on the camera's end.) USB 2.0 Hi-Speed (with compatible Canon camcorders only)

go to www.canon.com for ur drivers for ur canon mv940 mini dv ditigal camcorder

Page 87 of the USER MANUAL Canon ZR200 LINK

Transfer images effortlessly
The ZR90 expands video possibilities with a built-in slot for an SD (Secure Digital) Memory Card or a MultiMediaCard, in addition to the MiniDV cassette. That means you can easily transfer digital photos to your PC straight from the camcorder using the supplied USB cable or IEEE1394.
DV Terminal
The IEEE1394-compliant DV terminal also lets you connect the ZR90 to a DV-compatible computer or another Canon DV camcorder. That means you can easily transfer your digital movies to your computer's hard disk, edit your scenes, and then use them to create high impact Web sites, video e-mail, interactive CDs and DVDs, or a personal video album.

Go to this link. Click on "Frequently Asked Questions" and then click on the appropriate link (#4). Basically, once the firewire cable is connected, make sure that the camcorder is in the playback mode, is turned on, and you see "DV IN" on the LCD. If all that is happening, your computer/software should be able to "see" the camcorder and download the video.

I have a Canon MD120. When we purchased this overseas it didnt come with a cable that would connect from the camcorder to the computer - I'm presuming this is the way to download material to transfer onto DVD format. Where would be the best place to purchase one of these cables?

You should be able to download a suitable driver from the excellent Canon website. Also, I believe there is a technical support section there which may help you if there is no apparently available driver.

Tr yhere for the download. Sorry I can not read it to help you more. Look for drivers/downloads

http://www.canon.com.ar/

Good luck

If you are talking about downloading the still images recorded on the SD card, you can find drivers for Windows up to Windows 2000 here. (Windows XP and Windows Vista are not supported.) The best thing to do would be to get an SD card reader and upload your still images directly from the card to the computer -- no driver required.
If you are talking about downloading video, that is done through Firewire. The only driver needed is the one that supports the firewire card on your computer.

Take the tape out. The Camera should stay on.