Uneven Lighting
When building, it is difficult to evenly light paintings and wall-mounted art that is placed close to the ceiling. Often this lighting behaves in ways that I have a hard time predicting. For example,...
Forum Discussion
@chapscher A couple of things you can try if you haven't already:
Place out different lamps
Place out more lamps
Adjust the colour and intensity on the lamps
Adjust the position of the lamps in regards to the objects to be lit
Adjust your graphic settings (I tried all of them, but did not see much of a difference, but for instance try: Post-processing; Lighting; Resolution)
Check that your graphic card fulfill the recommended specifications for the game
But I also read in this thread that outdoor objects, like bushes and Seasons decorations, are dark when placed indoors; and that it reportedly is by design by the developers:
https://answers.ea.com/t5/Bug-Reports/BY-DESIGN-Wall-Sculptures-and-Plants-darkened-in-the-Interior/td-p/6593656
And while I do not have the pack Jungle Adventure, that I think your objects are from, are they not outside decorations? You could try placing them outdoors in sunlight, and see if they are brighter lit then; and choose indoor decorations for indoor use if so.
