I need some building tips, please

[Boink!]

How can I make my builds not look really boring and dull?
Here's an example of one of my dumb looking builds, ignore the weird roof looking thing at the top:

[Ad Bot]

[Linkusofepica]

Make it rainbow
Try adding something like a statue or a window washing platform.

[Boink!]

Make it rainbow
Try adding something like a statue or a window washing platform.

It's supposed to be a scientisty tower that holds chemicals in it

[Linkusofepica]

It's supposed to be a scientisty tower that holds chemicals in it

Hazardous Waste barrels on the ground maybe

[SlayerZ99]

Study how other people build.
Base your builds off of pictures.
Find layouts online making it easier to come up with an interior layout.
Look at http://www.brickshelf.com/ and build off those