Please find below some links to help with navigating around Purple Mash.

Adding answers to your work in Purple Mash

http://www.youtube.com/watch?v=Ss4WBYbtNps&t=2m36s

Using emails in Purple Mash

https://www.youtube.com/watch?v=no8Db7amHOM

https://www.youtube.com/watch?v=5sEHz4BQ4dw 

Editing a Word or PowerPoint document and returning it for marking 

http://www.youtube.com/watch?v=zMII-L1CV2Q&t=1m25s

Uploading additional work (no set as a 2do) to Purple Mash

http://www.youtube.com/watch?v=6Pkj-Lhasko&t=0m16s