you get it from the Level called "Swinging Safari". it's just before the race, there's a sort of ditch and if you go down it a sticker switch appears, it's in the shape of a donkey so use the pinyata sticker on it and 4 items roll down into the ditch and one of them is the sharp tooth.
In one of "The Canyons" levels In littlebigplanet 1
Terrible Oni's volcano
click square then click stickers there is your first sticker
In LittleBigPlanet, the gecko sticker can be obtained by completing the "The Gardens" level. Specifically, look for it in the "The Gardens" story mode, where it is typically found hidden in one of the areas or as a reward for completing certain challenges. Collecting it adds to your sticker collection, which you can use for customizing your character and creations.
its actually a decoration and you get it on story mode in the metroplis the first level
Buy the Sonic costume and sticker kit for $5.99 from the Playstation Store
You get the red circle sticker when your in create mode doing a tutorial.
You have to wash the costume, which is the Sackboy in the square. There's no way of just getting 1 sticker off if you have more then 1 on him/her.
That is 'pinyata' .
In LittleBigPlanet, under the group of levels titled "The Canyons", the level "Boom Town" contains the Angry Skull sticker. -To find it, you must reach the jail where you are supposed to blow up the door, but instead go right past the scorpions and use the colorful block to get up on the higher ridge to the right and you will get to a place with a bunch of ducks moving back and forth. Use the orange bird sticker on the sticker switch to get five prize bubbles, one of them containing the Angry Skull sticker.
It is available for download for $1.99 from the Playstation Store