akey, I'm glad you like it
As for "some PDFs" - the only logic that program applies is whether extension matches ".pdf". If it matches ".epub", only fullscreen option is enabled. Can you send me an example file for which the program doesn't work?
As for djvu - enabling trickd for those would be simple, the question is whether djvu plugin actually respects those two fields (uds_page_flow and uds_full_screen) in its rendering
luite?