If later, you decide to add more graphics, you must lift them up for your page's use. You can create more pages as you go along, lifting them up. But the background, etc. Later, using your CGI bin password feature, you can remove pages you do not want, etc. Get your site as error free as possible before submitting it to search engines.
Search engines work in different ways.
You can either post your new site to free search engine sites, or you can pay a fee to have it done. You're rated in smiley faces and I love that. It came with an animation program, but animation programs are available for free on the Net, too. I flipped my past book covers in my animation in my Vintage section. Adobe has sent a complimentary banner program and those are easy and free to obtain too.