First of all if you do not have Game Maker Pro then it is not possible to insert video. Unfortunately I do not have Pro but I know what you need to do basically. In the tab Main 2 there is an icon that looks like a movie strip. This is the action called show movie. And I repeat, that you cannot use this unless you have Pro
I hope this information was helpful.
Make sure the movie file is with the game executable (*.exe) in the same folder/directory.
There is no Loop feature available in Windows Movie Maker.
With the 'Splash Movie' action in the 'Main 2' tab
a game maker and to play them
No.
No, there is no way to add a "Play" screen to WMM (Windows Movie Maker) videos. Movie Maker is a very basic video editing program with limited features.
You can't play video files created on WMM v2.6 on the earlier version 2.1 of Windows Movie Maker (XP).
Yes.
Click the green arrow on the toolbar
Save it as a .exe file. (To do that go to the file menu and click save as executable)
You need to convert Quicktime videos to a format compatible with Windows Movie Maker.
You can't play unsupported file extensions in Windows Movie Maker. You have to convert the file to a format compatible with the program.