You should either choose correct images or include a disclaimer that the pictures do not represent what you are looking for.
The church in the picture is the "The Parish of St. Mary’s Church" in Weggis which is clearly located at lake Lucerne (Vierwaldstättersee). Zug ist located at the Zugersee, which is close by, but not quite.
Please, if you want to do these competitions, do it right.