Can someone help me with a Spyro problem?

Ok so my little sister is playing Spyro Year of the Dragon. She usually has me help her with the challenges and some flying. So she is stuck in Sunny Vale (I think that's what its called) to this skate park where Hunter wants her to catch lizards. I tried it several times but I can't do it. When Spyro goes straight up, after hitting the lizard, he falls off the board. Every time. I don't know how to get passed this challenge. I've looked online at walk throughs, cheats, and hints and can't find anything. How do I keep Spyro from falling off the board so I can get past this challenge and my little sister can finish the game?