If you acknowleged him for composing the original Land Before Time, why could you only find footage of a CG dinosaur morosing? None of these have anything to do with James Horner, especially not the Kids Next Door.
Pooh's Adventures. A meme that sounds quite regular for a strange mind at first, but when you find out that they have plans for a family-friendly "Pooh's Adventures of Avatar", then everything is ruined.
Join me as I take on the worst and most bizarre of these fan-created crossovers, watching as much as I can and browsing the wiki to see what other ideas they have up their sleeves (and won't bother to complete).