Some resources that i used and you can use too!

blinkies/stamps:

https://rentry.co/PUSHURT3MPER
https://rentry.co/depressantbuttons
https://rentry.co/zombblink

pixels

https://rentry.co/chispink
https://sadthemes.tumblr.com/smolpxl
https://rentry.co/borderpixels
https://rentry.co/lesbiianpix02

gif

https://xyz.crd.co/#xl
Cute pixels
More cute pixels!
https://rentry.co/revgifs
https://rentry.co/ulzzanggifs
https://rentry.co/revgifs

useful

Image to URL
A lot of resources!
codes
https://decohoard.carrd.co/
https://rentry.co/revgifs
https://rentry.co/xenus
https://rentry.co/derprender

also i'll put here stamps and things idk where to put but i want in my website bcz why not