Catching up on these, sorry for the delay but easier to handle in batches.

 >>/4186/
Added

 >>/4191/
I need the mime types your browser is returning, otherwise I can't help you. Test using the link in OP.

 >>/4193/
Added "application/x-7z-compressed". It really helps if you tell us what your browser is returning.

 >>/4209/
Added those two.

 >>/4424/
Added