Another question with 1.6.1. We test order two products from 2 sellers. Shipping is set by default to 2$. It shows 2$ total shipping to customer before completing the order, but when order is split into 2 seller, each of them has 2$ shipping. And customer gets 2 separate emails, instead of one email with 2 sellers in it.
If your products needs shipping and you are using shopping cart mode at "Products from multiple sellers", then you will have to use Agile Seller Shipping module so that the shipping will be calculated correctly. With this module, buyer will be able to choose carrier at product level, and seller is able to create private shipping carriers. We assume the sellers will ship the products and so the shipping fee will be calculated per carrier and per sellers.
Again, please see Limitations section of Agile Multiple Seller module at our online store.