Deuce, those pics are a bit large and it detracts from the overall image, making it hard to view. You may want to use some somewhere to resize and crop those for you a bit.
Here is a program that I use regularly, called irfanview. It's completely free and easy to use, you can download it from this page - http://www.irfanview.com/
The items in your picture look like debitage or natural rocks. Top one looks alot like petrified wood.