Letest release of Flash Player and krpano. :\
Maybe there are problems in a cubestrip environmet?
Code
<krpano version="1.0.8">
<include url="skin/defaultskin.xml" />
<view hlookat="0" vlookat="0" maxpixelzoom="1.0" /><display details="22" />
<preview type="CUBESTRIP" url="tiles/preview.jpg" />
<image type="CUBE" multires="true" tilesize="500"><level tiledimagewidth="2000" tiledimageheight="2000"><left url="tiles/l3_l_%0v_%0h.jpg" /><front url="tiles/l3_f_%0v_%0h.jpg" /><right url="tiles/l3_r_%0v_%0h.jpg" /><back url="tiles/l3_b_%0v_%0h.jpg" /><up url="tiles/l3_u_%0v_%0h.jpg" /><down url="tiles/l3_d_%0v_%0h.jpg" /></level><level tiledimagewidth="1000" tiledimageheight="1000"><left url="tiles/l2_l_%0v_%0h.jpg" /><front url="tiles/l2_f_%0v_%0h.jpg" /><right url="tiles/l2_r_%0v_%0h.jpg" /><back url="tiles/l2_b_%0v_%0h.jpg" /><up url="tiles/l2_u_%0v_%0h.jpg" /><down url="tiles/l2_d_%0v_%0h.jpg" /></level><level tiledimagewidth="500" tiledimageheight="500"><left url="tiles/l1_l_%0v_%0h.jpg" /><front url="tiles/l1_f_%0v_%0h.jpg" /><right url="tiles/l1_r_%0v_%0h.jpg" /><back url="tiles/l1_b_%0v_%0h.jpg" /><up url="tiles/l1_u_%0v_%0h.jpg" /><down url="tiles/l1_d_%0v_%0h.jpg" /></level></image>
<hotspot name="video" url="plugins/videoplayer.swf" videourl="test.mp4" ath="12" atv="10" scale="1" rx="0" ry="0" rz="0" distorted="true" pausedonstart="false" loop="true" volume="0.7" directionalsound="true" range="120" />
</krpano>[code]
[/code]