Zombie scene? Should be darker...

This is really great...good thinking! My only thought is that the source shot of the girl is a flash shot, and the shadows suck. (Obviously not your fault). If this were my entry I'd be tempted to soften the shadows, but that's just me. You're still getting a high vote!

The graveyard scene...I thought it would be an easy fix.
(Assuming the girl & cross are on different layers and the graveyard's behind them...).

All you have to do is flip the background for the lighting to match...

Light source on figure is opposite light on tombstones, edges of cross need blurring, bottom edge is too regular, since it's on grass...

I love your image, but it doesn't seem on theme to me...

Figure is distorted...compare to source.

Nice image, but the reflection should be sharper...look at the other reflections.

Excellent strangeness!

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It must be clear in the finished piece what food was used.

Loved the previous entry...good luck this time. It's a great pic!

Listen to Wazowski.

Kudos on the new shadow, author...looks great! (Base is still blurry, though...).

Now!

Good idea, but he still doesn't have feet!

Shadow on necklace is good...why did you change the wings? I loved the red!

Perspective is off a bit...I'd straighten the buildings...good match of light sources.

Good image, but the sphere is bigger than the ship...

Nice image, but seems off theme to me...

Transparent edges?

Nice job on the smoke.

Really nice job on the front pear! Light bulb looks flat...

Nicely done! Love the color & texture... (I'd add a shadow for the necklace thing).

Clean up white lines on edges of building & copter, blur sharp edges, add shadows to gray columns.

Why would the objects have a drop shadow against the sky?

Try to fix the perspective on the top of the feeder cup thing...the rest is well done!

Perspective of dogs on top is wrong...the source pic is a down shot, and the angle is wrong. Maybe this would be better without them, or you could find another dog...the idea is good.

Sorry author, I comment on what I see. Not picking on you...

Nice light effect...why is there a tree behind the moon?
EDIT: No more tree...

@ vampyriccadence: Yes, the light is from upper left, which means the head on our right would have a shadow on the right side, not on the left.

Perspective on greenhouse thing is off, and it seems to be bulging at the bottom. Not quite sure about the light sources either...

Glad to help with your shadow, author: http://www.photoshop-pack.com/details/Casting_Realistic_Shadows/11041

Good sentiment, but a very simple image...

Where's the fire department? A fire in a wooden hut?

Nice image, frog is too big...

Brassiere isn't very good. Everything else is...good luck.

I love this. I love this. Did I say I love this? OK, now...having said that, the perspective on the nose of the cab is wrong. Adjust it a bit and your image will get a very high vote.

This is great! Just blur the sharp edges on the basket a bit...good luck!

Well, it's levitating less now...there shouldn't be space between the object & reflection.

Good image, really bad SBS...

The coconut is levitating...

Flip the head on our right...the light sources are opposite.

Definitely needs a font overhaul...

Not bad, but the base is blurry at bottom, and the drop shadow is totally wrong. Try to make a realistic shadow...

Great storytelling!

Good idea, but very sloppy in high res. Edges need cleaning up & blurring...

Looks on theme to me. Cleaning robots, future city...what more do you need?

Nice image. Link 3 only leads to the CGT homepage. You need to link to the individual sources you used.

There's a square area around the lower right tombstone that needs blending, and you should do something to the skull so it doesn't look like plastic.