Google is now crawling .swf... Have you read this article about SEO and Flash from SEOmoz,
~ by randfish, writer in SEOmozFlash content is fundamentally different from HTML on webpage URLs, and being able to parse links in the Flash code and text snippets does not make Flash search-engine friendly. I think it's great that Google's digging deeper into Flash, but I don't believe web developers should be any less wary than they've been in the past about Flash-based websites or Flash-embedded content.