I have multiple snowboard clips from this last season. I just got this version last night and played around with it. I'm trying to combine multiple clips to a music track to make a solid video. I got the track uploaded and the clips in the main window. I've split them and put them in the order that i want but when i play the video it laggs and there's not a precise split between the clips so when the music hits the beat the video doesn't sync up. it clips and looks horrible. How do I fix this so that the transition from clip to clip is seamless as if it were all shot at once? THanks guys.