You can install an Ad Fix preset within your In Design application. It will ensure exported documents are formatted to adhere to our vendor’s standards. This plugin fixes around 90% of common errors like transparency, color mode incompatibility and layer flattening. If you have problems with low resolution images or sizing issues, refer to the Ad Templates question.
Download the "Adshuttle Print Preset.joboptions" plugin attached below.
See below to view a video on how to install and use.