MU2B PLT HAS RWY EXCURSION DURING LNDG AND STRIKES RWY EDGE LIGHT AT DET.

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THE WX IN THE DETROIT AREA UPON ARR WAS GOOD VMC; EXCEPT FOR THE EASTERN SUBURBS WHERE DET IS LOCATED. ATIS INFO INDICATED A VISIBILITY OF 2 MI. I FLEW THE ILS RWY 15 APCH TO MINIMUMS AND SAW ONLY THE STROBE LIGHTS EMBEDDED IN THE CLOUD. AS I EXECUTED THE MISSED APCH AND FLEW OVER THE DEP END OF RWY 15; I COULD SEE PORTIONS OF THE RWY. I MENTIONED THIS TO THE TWR AND HE SAID THAT THE CEILING AND VISIBILITY WERE CHANGING RAPIDLY; BUT THAT IT LOOKED LIKE THE CLOUDS MAY HAVE MOVED EASTWARD AWAY FROM THE APCH END OF RWY 15. AFTER BEING VECTORED FOR ANOTHER APCH; I SAW THE RWY END IDENTIFIER LIGHTS AND THEN THE RWY LIGHTS AND COMPLETED THE APCH AND LNDG. WHEN I BROKE OUT OVER THE RWY IN DETERIORATING VISIBILITY; I WAS MISALIGNED WITH THE RWY CTRLINE. CORRECTING TO THE L FOR TOUCHDOWN AND THEN BACK TO THE R AFTER TOUCHDOWN; I OVERCORRECTED SOMEWHAT AND SUBSEQUENT INVESTIGATION BY ARPT OPS PERSONNEL SHOWED THAT I HAD STRUCK 1 RWY EDGE LIGHT. THIS WAS PER CONVERSATION WITH THAT ARPT OPS DIVISION EMPLOYEE WHO INTERVIEWED ME ABOUT 1 HR AFTER I LANDED. THIS WAS IN RESPONSE TO MY TELEPHONE CONVERSATION WITH THE TWR OPERATOR INFORMING HIM THAT MY ROUTINE POSTFLT INSPECTION INDICATED SOME DAMAGE TO 2 PROP BLADES ON THE R HAND ENG; AS WELL AS SOME SCUFFING DAMAGE TO A FIBERGLASS FAIRING ON THE R SIDE OF THE FUSELAGE OPPOSITE THE PROP. THERE WAS ALSO A PERFORATION OF THAT FAIRING. IN RETROSPECT; IT IS CLR THAT I SHOULD HAVE PROBABLY GONE MISSED APCH FOR A SECOND TIME WHEN I BROKE OUT SLIGHTLY R OF CTRLINE; BUT I REALLY THOUGHT THAT A SMALL CORRECTION WAS ALL THAT WAS REQUIRED. OBVIOUSLY IT TURNED OUT TO BE AN OVERCORRECTION.