Problem with feedback effect!

[Monteiro]

Hi

I have made a project but in the pictures on the bottom theres a strange shadow after aplly the feedback effect

https://flic.kr/p/CMU8z6
https://flic.kr/p/Dmp4yM
https://flic.kr/p/CUhdcd

Who to solve this???

Tks for help

[Joelle]

It looks like you haven't removed the background of that object.

When I use Feedback, I select the object, then Promote Selection to Layer, duplicate that once more, but use feedback on the first, not the top layer.

Joëlle

[Monteiro]

Im going check.

Tks