Ecommerce WordPress Website

General information for the website: I am new author and need my website completed
Kind of development: New website from scratch
Description of requirements/features: I need it to accept pay pal, and I'll need the e-unkie button for download of the ebook installed as well.
Specific technologies required: eCommerce, Wordpress, Plugins
Extra notes: I need help putting together my Wordpress website. It's uploaded, I just need help making it function:
1. Putting it together with my logo and
2. Uploading my book covers and
3. Wedges etc.
4. PayPal buttons.
5. Test run
Please tell me what is the turn around time for a wp theme site? I purchased from "Elegant Themes"

http://www.elegantthemes.com/gallery/

I wanted to use the StyleShop or Foxy or shop. Can you look at those themes and let me know how long to turn one around with my things.

This site is for selling my ebooks and later t-shirts etc.