Red and Yellow (More MS Paint)

All of these are 840 x 840 square MS Paint pictures made only using red, yellow, black lines and white highlights.

https://i.imgur.com/0WCbXBM.png
https://i.imgur.com/w8KTsqB.png
https://i.imgur.com/UPwFzDI.png
https://i.imgur.com/pav9V8D.png
https://i.imgur.com/4s2MXuy.png
https://i.imgur.com/1OrH4G1.png
https://i.imgur.com/xgXNXNR.png
https://i.imgur.com/aXru5dq.png