Heres mine!

I done this banner a while back....

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Why is the thumbnail not working?

to be honest i dont like it. its looking like maked in paint. you need to make beter colors and some smooth letters

Knowing your color scheme and style is a good start, but those fonts really don't really work with that background. Also, white-on-red text usually brings to mind hospital or healthcare banners, which are not the most intimidating things in the world.

If you want to make the zombie imagery really pop, you could create some extra contrast between your theme and a background to create shock value. For example, a mound of body parts and gore isn't nearly as horrifying in terms of context(what you expect to see, more of the same) as compared to a zombie with slashed wrists draining blood all over a glass table in a penthouse apartment. I can't exactly word it properly, but I hope this makes it easier to improve your work. Just look up a youtube video or two on graphic art composition.

Certainly looks better than what I used to put out though, not sure how long you've been doing gfx, but regardless: keep at it and all you can do is get better and better.