How can I add light / glow behind the character , like this pic

Harmony Harmony Feature Requests
1

How can I add light / glow behind the character , like this pic

oo.png
oo.png800×399 181 KB

2

You might like and experiment either with Glow-effects:
https://www.toonboom.com/resources/video-tutorials/video/glow-premium

Or Light-effects:
https://www.toonboom.com/resources/video-tutorials/video/adding-lighting-effects