Over the years I've received a lot of questions about timelapse post production tools and apps... and for good reason, there is a lot out there. Finding and using a particular software application is simple, but so was hand sanding a detailed wood carving before I discovered a Dremel. Let's just say knowing what tools exist is a very good thing.
Time-lapse flicker occurs when one frame or many frames appear to be under or over exposed in relation to the frames around it when we make our final video compilations. What we end up with is a strobing effects that really subtracts from the enjoyment of the time-lapse video.
Tom Lowe is probably the tip of the spear when it comes to time-lapse photography innovation and experimentation. His upcoming film TimeScapes combines footage from ultra high quality RED cameras and Canon EOS 5D Mark II's for time-lapse sequences.