Pictures: Spooky preparations for Halloween

28 October 2011 Last updated at 14:12 BST

From dressed-up dogs to penguins bobbing for apples, we look at Halloween traditions across the world.
Penguins bobbing for apples at London Zoo
These Gentoo penguins are bobbing for apples as a Halloween treat at the London Aquarium in Westminster. Hallowe'en is also known as All Hallow's Eve.
Meerkats with a pumpkin
These curious meerkats are peering inside a carved pumpkin in their enclosure at London Zoo.
US President Barack Obama and First Lady Michelle Obama
Even the President of America needs to pick out pumpkins for Halloween! Barack Obama and and First Lady Michelle Obama were spotted selecting the finest ones for the White House in Hampton, Virginia.
A pumpkin
This scary head's been carved from a pumpkin! It's the work of American artist Ray Villafane whose designs are going on display in Las Vegas.
A pumpkin
Artist Ray takes around two hours to make his creations. However, he has some way to go to catch up with David Finkle - who is the world's fastest pumpkin carver. David carves one in just over 20 seconds!
A pumpkin
Artist Ray uses everything from spoons and scalpels to perfect his masterpieces. There are over 50 different types of pumpkin and they have great names as the Spooktacular, the Funny Face and the Munchkin.
A pair of lions with a pumpkin
Asiatic lion Lucifer and his daughter Rubi are getting in the Hallowe'en spirit at London Zoo! But did you know that a pumpkin is really a squash? It comes from the same family as cucumbers.
A giraffe and pumpkin
Margaret the giraffe plays with a pumpkin at London Zoo. Traditionally people believed that light kept away ghosts and ghouls and they thought that a lantern could keep you safe from the spooky spirits flying around on Hallowe'en.
Bulldog dressed as a bride
This English bulldog doesn't look like a happy bride! Tank is dressed up for the annual Halloween dog parade in New York. It's the largest Hallowe'en dog parade in the US.
A frog on a pumpkin
This frog was offered his lunch in a pumpkin to celebrate Hallowe'en. But rather than tuck into his appetising dish of flies Alfred, who lives in London Zoo, decided to hop on it instead.