Hi! Can someone please tell me what tip to use for the scallop look and a little instruction or tips on technique? Thank you!

this is called the 'buttercream petal technique'. there are a number of tutorials on the web. here are a few good links...

https://shop.mybluprint.com/cake-decorating/article/buttercream-petal-technique/

https://www.mycakeschool.com/blog/pretty-petal-effect/

https://meaningfulmama.com/ombre-petal-buttercream-piping-technique.html

HTH

Here is a link that explains how to get that look...https://www.mycakeschool.com/blog/pretty-petal-effect/

It is a pretty simple technique once you get the hang of it so feel free to practice on your counter top to get a feel for it before starting on your cake.

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