To insert a user editable gallery into your listing we are partnering with
they are a small start up company that has made it simple to share a nice looking simple gallery that the user can keep up to date
go to the link above, create your gallery,
then paste the embed code into the bottom of your listing using the TEXT tab.
Hit return to give a empty line before you paste
use the comments below if you have any problems
Here is a sample gallery you should end up with: