Hi Melani and welcome to SaleHoo, nice to have you here with us.
Now that you're ready to step up to a new business model, you can check out the list of fully verified suppliers we have in our directory. Now with Drop Shipping, research really is the key. You need to id products that you would like to sell, then id your competition in your marketplace and then id suppliers that are able to provide you with those products at a price that delivers you your required margin.Link hidden: Login to view
Research, research and then more research : )
In regards to using supplier pics. This is usually absolutely fine, however just confirm with your supplier themselves is the best thing to do.