DURING A GLIDER TOW FLT, THE PLT TOOK OFF TO THE SOUTH. AFTER RELEASING THE GLIDER, HE RETURNED & LANDED TO THE NORTH WITH A 5 KT QUARTERING TAILWIND. AS HE WAS LANDING, THE ACFT VEERED RIGHT. THE PLT OVERCORRECTED TO THE LEFT & THE PLANE TURNED SHARPLY LEFT, THEN THE RIGHT WING STRUCK THE GROUND & WAS DAMAGED.