Magento delete my images after an import of products

[grosykevin]

Hello, I am having a problem with magento. When I do an import of my products with magmi everything goes correctly well.

But I am having a little problem magento removes images on some product. Why he did this?

I show you a video of this problem: https://www.youtube.com/watch?v=mrYtAq3qcI8

If you look good, when I select only the color images images appear But when I select a size and a color the first two color image black images appear and when I select the last two color image does not appear.

Do you know why I have this problem?

[Brent W Peterson]

Does the same problem happen with the standard importer or dataflow?

[grosykevin]

I import my products but it does not matter the images of the Gallery media why?

I have a media_gallery column

[grosykevin]

I import my products with the stream to give but it does not matter my media_gallery