Pretty much any example will work, if you have VFIC. For example, start with the FDIs from BattleTech, currently posted on my site:
http://www.pc98.org/battlet.htmlUsing VFIC, convert the FDI in that archive to BKDSK format in VFIC, which will yield an HDM file. At this point you can look at both files with a hex editor (or just note the change in file size) to confirm it didn't just change the extension, but removed the header.
Delete your original FDI, then just use Windows Explorer to rename the HDM to FDI, then open it in Anex86.