Hi @Maz Blake ,
Thanks for posting and welcome to the community.
Paid subscribers can get custom stickers by uploading images in custom stickers section in stickers menu, please check this article for reference - https://help.trello.com/article/826-adding-and-removing-stickers-from-cards.
Please check and let me know if that helps.
Congratulations to @Laura Holton , our latest winner of Taco Tuesday! And thanks to @Kristjan Geir Mathiesen - Origo for sharing the picture of Taco having fun with his new friend...
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