I'm pretty new still however the photos could be clearer. I have my best results when I take photos outside in natural light.
If you're worried about too much variety, you can custom arrange your shop so that you have one line of all cards, one line of all oven mitts, one line of all purses to add some visual categorization.
I find that I have to drive traffic to my shop from other sources because etsy doesn't actually send many my way with the new category shopping. They have a VINTAGE BUTTON photo under supplies so... that's been a big bust for me, a ceramic button maker. I advertise on other sites. I offer coupon codes to people I meet. I'll be asking for a critique myself once I restock this week. :)
Good luck!
-Cara