That might be a good idea. You can also try to put images on external site like imgur and just post links there.
Speed potion is a special case. There is an even that happens in the northern forest area in the first two months. If you get there, you find the potion recipe. If you miss the event, Tadeas will start selling the potion, but not the recipe.
I will check the cutscene
And those trees should be fixed. I released new version with your previous bugs like an hour ago.