Every time I get an avvie I'll write how I got it in here so people can get it

Easy:

Lost Avatar ~ Search lost in the trades and use price checker. 14/11/10

1mp Auctions Avatar ~ bet on something at the 1mp auctions 14/11/10

Medium:

Sundial and Mummy Avatar ~ Use a mummy doll at the sundial. 13/11/10

Hard:

Pizza Avatar ~ veiw the pizza shop empty 21/11/10