Trick or treat

I know Halloween is finished but I'll talk about that because it's an important event in England, very traditional.
Halloween is All Hallows Eve or the eve of All Saints' Day .
 
Do you know something about Jack-o-lantern ?
Jack-o-lantern a very famous character associated to Halloween :
http://en.wikipedia.org/wiki/Jack-o%27-lantern

 31th  october celebrating halloween with my joker fancy dress and some devil friends !