@shaedmorgan in the “http://xxx:5000” input the IP address for your RPi for the “xxx” and leave off the ". That should bring up the WC browser interface. I can say that it just works as I just did this a few weeks ago and used it for the first time this weekend (life happened).
I used the following forum post to get everything set up. I didn’t use the premade image, but I believe there were instructions on how to do it regardless.
Let us know if you have any any further issues.
Rick