1. To tidy the layout of my phpbb3 forum making it similar to the screenshot attached.
2. To entirely secure the forum and site.
3. To ensure that if premium parts of my site are shared , it will redirect back to the main site, so a user HAS to be logged in as a Premium user to view.
4. To implement the plan as you mentioned, regarding initial free membership for 4 months and then switch to premium access with a small free user browse teaser feature then requesting premium membership as per your ethical H forum.
5. Help me make my site and forum successful like yours :)
50 USD.