So I've decided to start a lengthy campaign for me and my group under the Gestalt variation rules. The main idea is that they arrive in the small town of Morrow's Point which then proceeds to grow and thrive as their exploits attract more civilians. Anyone from blacksmiths to Archmages to rival parties may arrive in the town. Also, I have an idea for the town to have been destroyed in the future so a group of Time-Travelers of a sort have come back to guide the adventurers to their future. They might join the party on various adventures, lending their mysterious aid when needed.
The reason I'm posting this is because in order to create a proper lengthy campaign I need ideas. I am by no means an experienced DM and could really use the help. I don't need fleshed out modules, I just need an idea for anything related to the campaign.
Thanks for the help! Ta.