I would suggest to enable Multi select in the Transfer Window.
- this makes pausing/canceling of multiple files much easier.

also, I would suggest to add more Search Options to the Search Window:
the most important ones are
- MP3 Bitrate
- File Size
- Stop Search
- add new results to the bottom

if This is not supported by the P2P Protocoll, then I suggest to do a client side Filtering.

yours Nico