The following are useful links, if you are unfamiliar with them, take a look and explore.
Forums & Blogs
Official Supercell Forums: This is the official Clash of Clans forum.
Facebook – Clash of Clans: This is the official Clash of Clans Facebook page
Reddit – Clash of Clans: This is the official Clash of Clans Reddit page
Clan Web Tools
Clash of Clan Builder: Explore user generated bases, build your own design before testing in game.
Clash Layouts: Offers various bases with various screenshots and video of the build
Clash of Clans Tools: This has a base builder and user generated bases.
Clash.Tools: This is a web application featuring tools such as Clash Caller and Clash of Clans War Planner and combines them to help manage clan wars.
Clash of Stats: Measure up how your win streak compares to the rest of your country/global. How about total wins, what rank are you in your country/global. These stats and more.
Cocstats: Explore your clan members donations and donation ratio’s. Are your clans members average donations, more than your average elders donations?
Wiki & Information
Wikia – Clash of Clans: This is the site if you want to know how much a level 6 archer costs or when your able to upgrade to level 2 hounds.