It would have been easier for users, to list what IS allowed. No Setup Cost, No Monthly Cost. Pay only per Transaction. Here's the Price Chart . Service is limited to these Countries , but expanding.
Free accounts require a banner at the top of every webpage.
Reliable service, but have recently started asking for Credit-Card information even to open a free account. ZDEN European Company. 25-500MB of free online storage space. Ability to browse the files catalogue, make files available for purchase, set price on each file, write descriptions, even specify the type of licence you grant the buyer. Visit frequently for periodic 'Free Offers'.