It is becoming increasingly clear that the next Hindu God's statue to get erected in Canada will be a Ganesha statue (I will fund the construction when I hit a $100 million net worth, just to annoy mooslims) near Waterfront station, Vancouver.
So here are some folktales as to why Lord Ganesh came to have an elephant head:
https://en.wikipedia.org/wiki/Mythological_anecdotes_of_GaneshaAlso here is an article about a figurine of Ganesha excavated in modern day Gardez, Afghanistan:
https://en.wikipedia.org/wiki/Gardez_Ganesha 