I watched the video almost frame by frame and found some interesting critters on some points, here are the images:
Also not so important the trailler confirms the resouces we can get on the trail (that were already on the first trailer when the trail had the other name), some images:
Meat (from hunter)
Medicine (from doc)
Parts (from carpenter)
Also the Trail Pioneer bonus I believe stands for Trail Points, that may be something like experience or coins.