1. The user selects the time they want to run the ad when they place it (i.e. 30 days).
2. Currently they are removed by a cronjob which you run daily.
3. "masked" is just for our own protection in the demo as we don't want to display our actual server configuration information.
4. Depends on who you talk to - some people prefer vB
, others UBB.threads. All the integrations pretty much work the same, so its more a personal preference. The two I menitoned have very active developer communities on photopostdev.com for mods.