Bingo, i think this is doable. Taken from the site....
WinCE CAB Manager Features
Open Existing Cabinet Files
Open any Windows CE CAB file, as well as Smartphone and Pocket PC theme files.
Create New Cabinet Files
Allows you to create a brand-new CAB file, add the Windows CE files, shortcuts and registry entries needed to install your application, and then save the new CAB file to disk.
Modify Cabinet Information
View and modify general information about the Windows CE CAB file, such as the name of the company and of the application, processor and operating system version required to run the application, and the default installation directory.
Modify Windows CE File Entries
The Windows CE files stored in a CAB file can be viewed and modified, and new files can be added. You can change the order in which the files will be installed, the location where each file will be installed, and more.