Chroma Key in Windows Movie Maker

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I’ve had some long hard nights these days.

And lately I’ve had to wait for my Vegas Pro to ship. In the mean time we were pressed to get a few videos on the cutting floor like yesterday. Then we ran into a snafu. Backgrounds

I’ve used some other programs to adjust and work with backgrounds to vaying degrees of success. But in this instance, I was forced to say on WMM. Don’t ask long story, involves foot tickling spider monkeys I’m ashamed.. But then I found this article and I simply had to share it with you closet Spielbergs out there.

How to Chroma Key in Windows Movie Maker

from wikiHow – The How to Manual That You Can Edit

Chroma Keying or bluescreening is very easy to do and is very common. Every time you watch the weather, a bluescreen is used. This tutorial will go over how to chroma key using a very common, but useful program called “Windows Movie Maker”, but we’ll call it WMM for short. So, Let’s get started!


  1. Capture your subject in front of the bluescreen.
  2. Upload your video onto the computer and open it in WMM (on XP).
  3. Highlight the following xml code: (
  4. Copy it, and paste it into notepad. Click File>Save As>My Computer>Local Disc C>Program Files>Movie Maker>Shared>AddOnTFX. If you dont already have an AddOnTFX folder, right click then New>Folder. Save it as “bluescreen.xml”. Close notepad and open up WMM.
  5. Find the picture or video you want to show behind. Import it into WMM, and drag it down to the timeline, to the left of the video with your subject in front of the bluescreen.
  6. Now that your two video clips are in the timeline, go to your transitions and there should be one that says “Bluescreen”. Click it and drag it down to the timeline. Click the video of the bluescreen and drag it over onto the other clip. Don’t drag it to far because that will just make the clips switch places. Keep going until the blue triangle disappears, then go back just a hair.
  7. Check out your preview and see if it worked.
  8. Click File>Save Movie File to convert and export into a wmv.


  • Make sure your bluescreen is evenly lit. Shadows on the bluescreen can cause discoloration and splotchiness, which is not good.
  • Make sure camera is not on “Auto White Balance”. Set it to manual and hold a piece of paper up to the lens so it can analyze the white balance with the light conditions in the room.
  • If you need more help, or have questions, we invite you to go to the following URL and get help: []
  • Be creative! Remember, with bluescreen you can stand on a blue thing, and make it look like you’re flying!


  • This may not always work if you share the computer with others.

Things You’ll Need

  • Bluescreen or Greenscreen (These can be purchased on eBay for maybe $15. An old sheet will work too!)
  • Camera, such as a DV Camera, digital camera, etc.
  • Windows Movie Maker (WMM)
  • Light Sources, at least two. the more the better
  • FireWire Cable (I got mine off the internet. Maybe Office Depot?)
  • Tripod (optional)

Related wikiHows

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