The images file you can use should be in TIF, JPG or BMP format.
You can also import text file .TXT wiht list of images files, one each line, including full path.
To use use forms previously acquired you can use the the Add command from Images menu to select the files to insert in the list. If you hold the Shift key you can make a multiple selection.
Using Drag&Drop you can drag files from Windows desktop or folder in the main application window.
When you open an application definition file .rfd, if in the predefined directory exist images, the software ask if you want to use this files and if you answer yes, it insert automatically this files in the list.
The existing forms selection in Workgroup Reader version is executed using the Input Station.