Welcome to the myhosting.com Forums.
spalsh sites and SEO
Is it true that a splash site can hurt you interms of your SEO?
Follow Google guidelines for splash site, if you want Google crawled and Indexed your splash site properly.
In general, however, search engines are text based. This means that in order to be crawled and indexed, your content needs to be in text format. (Google can now index text content contained in Flash files, but other search engines may not.)
Flash and other rich media files - Webmaster Tools Help