How can I make this zombie GFX better?

How would I make this better. Someone told me to try out cycles render so I’m barely starting to use it. having slight difficulty.

Any tips I should do? It’s supposed to be set in an abandoned apocalypse apartment hallway. Anything I can do with photo editing programs like pixlr like filters or something


?

You can make the posing much better, try to improve with your lighting maybe it could be dark and some light coming giving it a more dark theme and yeah you can also do some color corrections using photoshop. Anyways, it looks awesome!

how exactly do i improve lighting? I just put like 3 point lights of different colors

Sorry for the late reply, you can do it by using any photo editing software like photoshop and more the way you can do this in blender is by adding HDRI as they lighten up the area or if you want to stay with that 3 point light then increase the strength of the light.