Heres a little thing for admins, or server hosters/owners/admins.
![Wink](https://2img.net/i/fa/i/smiles/icon_wink.gif)
http://dev.bukkit.org/server-mods/ (look up/ look for for plugins/server mods)
Also for everyone, heres a nice little website for insperation for minecraft buildings
![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
http://minecraftinspiration.blogspot.com/
Just posted this cause thought you guys might wanna know