If you bought the Drawn Emotional Characters packages i.e. 500 Drawn Emotional Characters or 1700 Drawn Emotional Characters etc. they'd be automatically loaded inside your  Explaindio Software Sketch Image Gallery when you validate your Explaindio API.  

1. When you create a project, or edit your existing project, add new scene.

2. Click on Add Sketch Image on your Open Canvas.

These Drawn Emotional Characters Sketch pack names will be in this format: Character Set [Set Number]. Simply click on the character set pack and the characters will be previewed on the right hand side gallery.