Peut-on exporter les pochettes et infos des tags.
existe t'il un format spéciale
Please write in German or English.
Information for exporting is documented well here.
Is it possible to export the album artwork during an export process?
The only action that exports covers is
You cannot include an action into an export script, the result of an export script is always plain text and no binary data (like pictures).
So it would be a 2-step procedure.