Are you able to in cooperated Ebay shopping cart to your blog?  

I do not know how to do that. But why don't you just put a link to ebay in your blog? I think that would be enough if your visitor want to buy your staff. Maybe you can attach a photo beside the link. Good luck!

What you can do is register to become an ebay affiliate (visit the ebay site, look at the bottom of their page). If they accept you then you can incorperate ebay listings within your blog using the code and widgets that they provide. The last time I looked you earned a variable % commission on all sales which have come through your blog/website and payment is by paypal. I also think you earn for any new members who join ebay from your site and a few other ways of earning as well, but can't remember all the ins and outs right now.