ACFT STRUCK CHERRY PICKER DAMAGING ACFT.

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IT HAD BEEN SNOWING WITH A TEMP OF 20 DEGS F. PAX WERE BOARDED AND DEICING ACCOMPLISHED AT THE GATE. WE THEN LEARNED FROM DEN CENTER WE WOULD INCUR APPROX A 30 MIN DELAY BEFORE TKOF DUE TO INBND TFC. STATION PERSONNEL REQUESTED WE REPOSITION OUR ACFT TO MAKE ROOM FOR ANOTHER COMPANY FLT INBND TO THE ARPT. SNOWFALL CONTINUED AND STATION PERSONNEL WERE ADVISED THAT WE WOULD REQUIRE MORE DEICING JUST PRIOR TO TKOF. AFTER THE CAPT RELOCATED THE ACFT; GND PERSONNEL ON FOOT AND PERSONNEL MANNING THE DEICING TRUCK REPOSITIONED THEMSELVES IN FRONT OF THE ACFT. THE CAPT RENDERED A VISUAL SIGNAL TO THE GND PERSONNEL TO COMMENCE DEICING AS THE EXPECT CLRNC TIME APCHED. THE DEICING PERSONNEL COMPLIED AND STARTED DEICING AT THE FRONT OF THE ACFT AND MOVED REARWARD. AFTER A CONSIDERABLE LENGTH OF TIME PASSED; THE CAPT ASKED DEN CENTER HOW MUCH MORE OF A DELAY WE COULD EXPECT. DEN CENTER ADVISED THAT THE FLT INBND TO THE ARPT HAD JUST DIVERTED AND WE COULD DEPART. WITH THE CAPT'S CLRNC; I WALKED BACK INTO THE CABIN TO PERFORM A VISUAL INSPECTION OF THE WINGS. WHILE I WAS IN THE CABIN; THE CAPT BEGAN TO TAXI. I COMPLETED MY VISUAL INSPECTION AND RETURNED TO THE COCKPIT TO INFORM THE CAPT THAT THE RIGHT WING NEEDED MORE SNOW REMOVAL. WHEN I CONTACTED STATION PERSONNEL I WAS INFORMED THE ACFT HAD HIT THE DEICING TRUCK'S CHERRY PICKER BASKET. THE CAPT RETURNED TO THE GATE AND A MAINT REP/MECHANIC PERFORMED AN INSPECTION. A SMALL DENT AND SCRAPE WAS NOTICED ON THE OUTBOARD LEADING EDGE OF THE STAB. THE DAMAGE DID NOT AFFECT AIRWORTHINESS AND THE ACFT WAS CLRED FOR FLT. OBSERVATIONS: 1) THE STATION PERSONNEL'S RUSH TO GET OUR ACFT OFF THE GATE CAUSED POOR COM RESULTING IN A LACK OF COORD BTWN THE COCKPIT AND GND PERSONNEL. 2) AFTER DEICING STARTED AND THE TRUCK MOVED REARWARD; NO GND PERSONNEL WERE IN SIGHT OF THE COCKPIT CREW LEADING TO THE ASSUMPTION BY THE CAPT THAT DEICING HAD BEEN COMPLETED.