Quote Originally Posted by Sealed
Export happens with sizes of 25px,70px and 175px for the different pages... the covers stored in the dbase are between 800px and 1000px, with the option to save them outside the dbase checked.
This should be the reason. Image resizing takes most of the time during any export, and since you have 3 different image sizes in your template, each image is resized 3 times... That makes the export so slow.

Someone will take a look at this problem, but I wouldn't expect big improvement