The Windows Movie Maker software allows you to create special effects for your videos, such as an image overlay. This effect will display a picture that slowly fades in over top of the video clip. The Movie Maker's timeline editor allows you to piece together video and image files that are stored on your computer to achieve the overlay. You can then export your video to your computer and upload the results on websites such as YouTube.
Launch Windows Movie Maker on your computer.
Click "Import Video" from the left menu, browse your computer for your video and double-click the file to add it to your movie collection.
Click "Import Pictures" from the left menu, browse your computer for the image you want to overlay and double-click the picture to add it to your collection.
Left-click on the video and drag it into the timeline at the bottom frame. It will appear in the "Video" section.
Left-click on the image and drag it into the timeline after the video clip. It will also appear in the "Video" section.
Click on the image and drag it to the left. You will see the image clip overlay the end of the movie clip. When you watch the preview, the image will slowly fade in over the video until the video reaches the end of the clip.
You can left-click and drag on the right edge of the image clip to extend the length of time it takes for the image to fade into the video overlay.
The software only allows an image overlay at the end of a movie clip. If you need the image to appear in the middle of the clip, you will have to break your clip into more than one piece and place the image in between the two clips.