so you can use "Jiggle Visible Layers" plug-in to jiggle your text. Plug-in Menu Location:
Python-Fu/Character layers from text ...
1. Create text layer (with hard returns/enters for newlines)
2. Select that layer, then run plug-in. Choose Jusitification, click OK to run.
3. That's it.
(Version 2 will create a new image to store your newly create character layers all inside a single Layer group).