Resources:

Twitter glossary:
https://support.twitter.com/entries/166337-the-twitter-glossary

HOW TO: Customize your background for Twitter:
http://mashable.com/2010/10/06/new-twitter-background-customize/

4 Tips for a better Twitter header:
http://mashable.com/2012/09/19/twitter-header-tips/

Download an analyze tweets (only goes back one week) using Archivist
http://visitmix.com/work/archivist-desktop/

HootSuite
http://signup.hootsuite.com/pro/?ad=ga1&gclid=CMX5i8Ttg7MCFcxcMgodpiQAKg

Tweetdeck
http://tweetdeck.com/?utm_source=Newsletter&utm_medium=August&utm_campaign=tweetdeck

More advanced solutions for social media monitoring à Radian 6
http://.radian6.com

Best practices for nonprofits using Twitter
http://www.socialbrite.org/2011/10/03/24-best-practices-for-nonprofits-using-twitter/

*Special thanks to @jjmillard & @cioen for allowing me to steal their social media dashboard. : )