There are tons of blog software options and they are usually very straight forward to manage. WordPress is a popular one (I know mousepod uses it for his site). Everything is web-interface and the look and feel are customizable (either with a simple interface like livejournal has, or far more flexibly if you're willing to delve a little deeper).
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'He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.'
-TJ
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