Aspell has no native installer for Mac OS X. The most automated way to install at the moment would be to use Darwin Ports - a low level command line interface to most open source software available for downloading/compiling/installing FOSS for Mac OS X. See this article for help with aspell - http://aspell.darwinports.com/
There has been error in communication with Booktype server. Not sure right now where is the problem.
You should refresh this page.