Lovely work, this is gorgeous!
I have no idea why you thought think Tinkerbell and Monster U. would be more popular. Belle's character alone can overshadow those two crappy Disney movies with ease.
Not just Beauty and the Beast, but also Lion King, Little Mermaid, Aladdin, etc. All big hits. That's a shame to hear that Pixar was more successful. I don't mind Pixar and all, but nothing will beat Disney's wonderful 2D animation movies for me.
A character with more spunk? You mean the fact that she's an envious brat? Please, I find it offensive that you would even compare someone like Tinkerbell to Belle - Belle has more spunk in her hairlock then Tinkerbell does in her entire character. Hell, even Ariel is a better character then her, and Lord knows Ariel is one of the most whinest characters out there.
Beauty and the Beast is one of Disney's most famous movies. Tinkerbell and Moster U. couldn't top the popularity of some of these Disney movies. Same goes for Lion king and the Little Mermaid, they're too popular to be overshadowed by thos two Pixar movies. Plus, all three of those movies I mentioned came before Monster U. and Tinkerbell's movie.