Theming icons : questions

[Bertrand Dekoninck]

I will have some time to work on my icon set (RikIcons) these days.
I'd like to theme several icons of GWorkspace (HardDisk, Live folder), 
or several app icons (GSPDF, TextEdit, LaternaMagica...).

I've got several questions :

- Is there some additional work in GUI or in the apps themselves that's 
need to be done in order to make these icons themable ?

- How should I name these icons ? I've tried for now to reproduce the 
naming used in the Tango theme : I've created an 
"org.gnustep.GWorkspace/Recycler" folder in my tree and I've put the 
Recycler Icon in it. Should I create as well an 
"org.gnustep.FSNode.HardDisk" folder with the HardDisk.tiff icon inside ?

- Shouldn't all GWorkspace related icons or FSNode related icons live in 
the same folder ?

- Shouldn't the HardDisk icon be a system-wide icon available in GUI (as 
Recycler.tiff) ?

- Is it now possible to theme the icons of mimetypes (a custom pdf icon 
used by GSPDF.app...) ?

Thanks,
Bertrand Dekoninck