Disposable web pages
So, you want a page for something that's coming up but you won't need the site after the event. You could make an event page on Facebook or a group or something, but why not something everyone can access, rather than just those on Facebook? Why not make a disposable web page? I'm sure there's even more possible uses, so check it out!
Open Design Community
"The Open Design Community (TODC) is a group of Open Source Website Designers providing hundreds of XHTML and CSS based free web design templates available for download.
The main goal of TODC is helping to make the internet a prettier place."HTML Playground
Or, if you don't find a template you like, you can just use HTML and build it yourself. This is a great resource for learning as it tells you exactly what HTML tags do and gives you editable examples.
That's it for now, more to come soon!