The image tag is used to show an image (label with image label) in gif format.
none.
Specifies the image in gif format that has to be used.
If the name of the file is "name.gif" then source should be "name".
This means that the name of the file should always end with ".gif".
For AppBuilder the GIF images in your application's directory are automaticaly converted
to XPM pixmaps by using ImageMagick's convert
.