Add sample attribution URLs
Add sample attribution URLs

tumblr/XExtensionItem,hsavit1/XExtensionItem,tumblr/XExtensionItem,alessandrostone/XExtensionItem,tumblr/XExtensionItem,alessandrostone/XExtensionItem,alessandrostone/XExtensionItem,hsavit1/XExtensionItem,hsavit1/XExtensionItem