The homepage is a little crowded. You have 3 columns for the pics and then 4 columns for words, which throws me off a bit. Might keep it 3 and 3, and clean it up a little with spacing.
Web design software
Does adobe still make Contribute? You could log in directly to the website with that and make changes to html. You might check on that.
wordpress website
Wordpress websites are very SEO and Google friendly. You can optimize a Wordpress website faster than a Dreamweaver website with plugins.