I believe this might help. It is from MPCClub by the user name of LxT
Here is a link to the
File: Customization of the Dune 3.0 via the Dune_Folder.txt file
And the original Post : MPCClub Post by LxT
The document was updated to include the 100307_2100_beta firmware changes (The link to the file does not work on that original post he does have a working link later in thread).
For some reason the first folder is showing up in my movie collection list? How is this happening? This is a DANGEROUS situation, think about accidently deleting that thinking it was a movie and goes and deletes 1 terabyte of content! Ouch. This happen to anyone else?