When Tommy's Dad phones Tommy it goes to split screen. On the split screen Tommy's Dad is lying on a bed with the phone lying left of his body, when it cuts from the split screen to full size screen of Tommy's Dad the phone is now on his right side.
Janet mentions Johnnys wife & mother of his children and calls her Jeannie. Later on her name is revealed to be Angie and they have been divorced a few years.
The Molotov cocktail the girl Tommy was hooking up with until he botched her name to Janet was clearly made from the snow globe he gave her earlier. However, when the firefighter who comes to put out the fire finds it, it's not broken or damaged by any fire, and in fact is clearly a brand new snow globe without any water or contents.