You can add 'Meta Tags' to your site which are keywords or discriptions of your site hidden in the source code. This allows search engines to come across your site. To do this, simply type the following somewere in the source code of you site. Replace 'your description here' with a short summery of your site and replace 'your keywords here' with keywords - separate each one with a comma...
For the description enter the following;
For the keywords enter the following;
Once you've done that, you can also submit your site to many internet directorys, add your site to particular search engines and use certain tools. These options do cost so it is best just to stick with Meta Tags, although some webhosting sites give you the option to add your site to their directory for free if you are a member.