I try and go all out with my gallery optimizations. Use a good keyword name on the phone (keyword-name.jpg) and then be sure to take advantage of all the tags (alt, title..etc). If you can squeeze some text onto the gallery page that's a plus as well!
Re: easiest and best way to create a website
I would also say it's probably best to stick with Wordpress. Weebly and some of those other places make it pretty easy, but your domain will also be a free "xxx.weebly.com" unless you pay them. Get a domain, setup some hosting, and just throw...
Never advertised on there, but the site obviously gets decent traffic with all the TV commercials they run. I spoke with a contractor once who said he's never gotten a call from someone saying they found him on Angie's List, so that would make me a little hesitant, lol.