Hi there:
I went to your site and I have a couple of comments. First it wasn't that obvious to me that the site was about Thailand may be because the first flag I recognized is the UK flag. I had to scroll all the way down to realized it is a site with information about Thailand.
I will probably put the images first. Also the navigation on the center...mmm, I'm not sure. I will try to have the navigation in the left or top side of the website. That way you can leave the space in the center to provide more information.
Try to organize the topics of the navigation a little bite more.
For
SEO. My first advice is to go to:
http://www.delorie.com/web/ses.cgi
This site has a search engine simulator, so you can see what terms SE are seing as relevant.
Keep in mind that the most important meta-tag is the Title and still description. Use your main keywords wisely within body content, title & description.
I will appreciate if you can look at my ne site
gas scootersand give your comments/ideas
The site address is:
http://www.creativerides.com
Thanks and good luck!