List your site in Google in 24 hours. Yes, you can do that by many ways actually. There is no need for waiting 6 weeks in order for your site to be indexed.Use the image tag with your keyword. Be careful. Do NOT fill the tag with many keywords. It will be considered as spamming and search engines will ban your site.

Avoid the spamming techniques like hidden text (having same color text with page background and human eye can’t see it), too many keywords in your title tags, description tags and keyword tags. They will not help you in your ranking, plus your site is in danger of being banned from search engines.