Large Plastic Fish Tank How Should I Decorate My 25 Gallon Fish Tank With These Decorations?

How should i decorate my 25 gallon fish tank with these decorations? - large plastic fish tank

I have 10 pounds of blue light, gravel, turquoise, white and blue.
5 floors, plastic 2 large dark green, 2 light green and 1 pink.
and a barrel decoration, ornament rock oyster shell) (white patterned glass and a large angel fish, and many river stones Black (flat and round) of 1 inch to 2 ½ inches.
Thanks