What actions can be taken when an appraiser uses strictly foreclosed properties to come up with my home value?

I HAD MY HOUSE APPRAISED AND WAS LET DOWN DUE REPOS WERE USED 4 OF 6 COMPS AS IF THEY WERE SOUGHT, RECENT SALES OF HOMES SHOWS 80% OF VALUE IGNORED,JUST IRRATATED NOT LOSING MY HOME!OR BEHIND