Smart copy and paste keyframes from multiple layers at the same time.

Has the option to be run with or without an interface so that it can be used with ft-Toolbar
To run with GUI install in ScriptUI Panels folder, to run GUI-less install in Scripts folder

Usage

1. Select all the keyframes you want to copy
2. Move your time slider to where you want the first keyframe to be placed
3. Click on Paste