How do I file a motion to a federal judge for early termination of probation?

My probation officer told me to go ahead and file a motion for early termination of probation. I will have served half of my 3 year sentence May 1st 2007. The charge was a drug felony.How do I file a motion to a federal judge for early termination of probation?You'd have to do it through the relevant district court clerk, since, as a non-attorney, you can't use FBEM.