I have a silver trumpet and have lots of micro scratches everywhere- how do I get rid of them? Does silver polishing cream work? and i know this is stupid but i want it to look perfect.

try this stuff - wright's silver cream

http://www.dtep.com/cgi-bin/shopper.cgi?preadd=action&key=WR00014

it won't get rid of all the scratches, but it will git rid of some and make it real shiny