Wrong preview picture when importing from iphoto11

Hey there!

I`ve a big problem. I made some good slideshows in imovie10 with my old MacBook. Now I`ve a MacBook Pro 2.7 GHz, 4GB and updated imovie and iphoto to the newest versions. Now the production of slideshows doesn`t run well with imovie11 because:

- when I import pictures from iphoto11 imovie11 has problems to show the last imported correctly in the preview window. It shows the first 20-50 imported pictures of a project correctly but then it has always problems. Instead of the correct pictures imovie11 shows the last "correct" imported picture. At fullscreenpreview-mode I`ve only a blank screen when the troubled pictures are showed.

I already tried to reinstall OSX 10.6.6. And first imovie11 seemed to work correctly now. But after a few days (restarts) it made the same problems.

I also tried to made new projects. But there is always the same problem.

Solutions?!

Thank`s a lot for help!