Unifurel's Bulletins
Was literally pulling out my hair out and frowing up struggling on where to find these types of websites lmao (for me to find later or you can discover them! Feel free to add other ones
https://picasion.com/glitter-maker/
https://www.deviantart.com/search?q=stamps
https://gifcity.carrd.co/#stamps
https://toyhou.se/15537430.blinkies-