Dvolver. The advantages of this tool is that it is not necessary to register. You can choose characters, stage background or venue of the texts will be read after the snacks of the conversations between the characters, introduce music and more.
stupelflix. With this you can select pictures and music and make a simple video. The same program will be creating movement between frames. The advantage is that the first video has no time limit.
animoto. Basically it works as I have described above. The advantage is that it has many themed templates to choose from. The disadvantage is that in its free version is limited to a certain number of photos and a maximum of 30 seconds.
Vokie. This is the simplest of all. You can choose a character (is good to work in another offer language descriptions) and a short text that character later say in different languages. It is a simple tool that can give your game.
