Again, both sides are wrong, but it does appear the Serbs did damage more Albanian mosques than Albanians damaged Serbian churches. According to Forum18, a religious freedom monitoring agency based in Oslo, there have been twice as many mosques damaged or destroyed as Orthodox Churches. An excerpt from one of their reports condemning Albanian attacks on Orthodox Churches in Kosovo states: Although more than 100 [Orthodox Churches] have been damaged or destroyed since the international community took control in 1999, Forum 18 has found no evidence that anyone has been prosecuted for these attacks (just as no-one is known to have been prosecuted for Serbian paramilitary and army attacks on 215 mosques during the 1999 war)
Here's some examples from the Fine Arts Library at Harvard--the captions came with the photos; I bold-faced a couple parts that might help you better understand both sides of this conflict.
BEFORE: View of the 500-year-old Carshi Mosque in Vushtrri (Vucitrn), taken before its destruction. (Visible in the background just to the Left of the mosque is a modern apartment building, which can also be seen in the second photo, taken from the same vantage point after the war.) Photo taken in 1998 by Raif Virmica, Prizren (Kosovo), in the collection of the Kosovo Cultural Heritage Survey (Fine Arts Library, Harvard University)
AFTER: Site of the 500-year-old Carshi Mosque and the adjacent old bazaar in Vushtrri (Vucitrn), burned down with gasoline on March 26, 1999, and the remains completely bulldozed on March 28th by Serb paramilitaries. More than 200 mosques -- 1/3 of all Islamic houses of worship in Kosovo -- were destroyed or seriously damaged in 1998-99. Photo taken in October 1999 for the Kosovo Cultural Heritage Survey by Andras Riedlmayer (Fine Arts Library, Harvard University).
View of the burned-out Library of Hadum Suleiman Efendi in Gjakova (Djakovica). The library -- founded 1595; the building dates from 1733, held a collection of ca. 200 manuscript codices and 1,300 rare books in Ottoman Turkish, Arabic, Persian, and Aljamiado (Albanian in Arabic script), as well as the regional archives of the Islamic Community dating back to the 17th century. The library was burned by Serbian police and paramilitaries on March 27-28, 1999. Photo taken July 1999 by Prof. Sabri Bajgora, Faculty of Islamic Studies, Prishtina (Kosovo), in the collection of the Kosovo Cultural Heritage Survey (Fine Arts Library, Harvard University).
And, take your hero clark with you.