(Try to explain your problem with help of English, German, Czech or Slovak or Dutch - in case Caroline will give you the answer)Are the thumbnails created (the problem is then it is slow)or aren't they created?że tworzy miniatury i tak sobie czekam około 15min. zanim przemieli ponad 200 fotek
If they are not created. Which browser do you use? Maybe your browser doesn't do http redirect. Do you get some error message?