These are just a few samples you might like to use.

    Baa = Shaun the Sheep
    Barney's Burp = Belch from The Simpsons
    Dangermouse! = Obvious
    dogtrain = From the excellent Dog Train, by the Levellers, and just
        about the biggest sample WBWelcome can cope with
    Fart = fnarr fnarr
    Laughing = The Laughing Policeman
    Mmm, Beer = Good ol' Homer
    Scream! = (Part of) the intro to Lord Only Knows by Beck
    WhatIsIt? = Cat from Red Dwarf