You can use createObj to add graphics (and other things) to the page/campaign. The API only has access to images that have been uploaded to a user account (any users account as long as you have the web address) this does not include marketplace content. <a href="https://wiki.roll20.net/API:Objects#Creating_Objec" rel="nofollow">https://wiki.roll20.net/API:Objects#Creating_Objec</a>... You'll probably find the script's under the generator heading in the script index useful for examples: <a href="https://wiki.roll20.net/API:Script_Index#Generators" rel="nofollow">https://wiki.roll20.net/API:Script_Index#Generators</a>