Hey, a few more notes if you want them: Terrain: Don't know where you are with the terrain shape, but I would 'shape' the terrain a bit more. It suffers from being too flat in the moment (in the foreground specifically). Try pulling up the terrain where the trees sit (forming an upward cone around the base of the trees).…
UPDATE: I'm back with new update. I modified the terrain slightly. I also added new flower. I'm able to change it's color. It's black in viewport, but when I switch to game mode it has defined color because of blueprint I used. I tried to sculpt some stone, but it looked more like crystal. Flower: