You can go to any search engine and run a search for jack-o-lanterns, and you'd be surprised what you find. There are some people out there with a lot of talent...and a lot of time on their hands obviously.
And finally...my all time favorite ghost photo. I saw this one in a book when I was a kid and have been hooked on ghost stories and such ever since.
This is the 'Brown Lady' who haunts Raynham Hall in England, taken in 1936.