General Software ProblemsQuality not quite what you expected? Need help with video capture, editing, encoding or playback. Post here for software not covered elsewhere.
First click on the still clip in the timeline. Now select clip > Video Options > Field options from the top menu. Finally select "Flicker removal" in the pop up option box. Close and render the clip.
If that doesn't work, play around with some of the other options in that box...