Nice job. It would help if you gave the wings some thickness, and provide info on the source of the planet. For entries like this a SBS will always get a better score from me. (Hint, hint...).

Looks much better!

Good idea. Try to give it a surface to sit on instead of just a gradient background.

Hahahahaha! Oh geez, what a knucklehead I was! Sorry, author, I can't begin to explain the brain fart that led to my comment.

Please post source for apples.

Nicely done, but still could use some work around the lips.

Step 5 would show your final result better.

You had me right up to the last 2 seconds. Everything else was realistic to there...pretty good, though!

You can do better than this, author...

Maximus, with a pic of smoke with a black background, if you import it as an adjustment layer in Screen mode, the black disappears.

EDIT: New sources are useable.

Please post your source links, and read http://www.pxleyes.com/guidelines/photoshop/
Illustrations are not useable sources. 5.6. 3D Renders or Illustrations as Source:
Using other people's 3D renders or illustrations (even with permission and no matter in which form they are offered) creates a false impression of your artwork. So 3D renders or illustrations can not be used as sources, unless they are entirely created by yourself. Only acceptable non-illustration brushes and clip art may be used, but you need to mention them as a source too. Don't use an image that has been altered by the source owner nor an entire work created by someone else.

Author, you probably placed the URLs for your sources in the text boxes.

The zipper would be on both sides of the opened bulb, but good image.

Source 1 is a render, and not useable.
5.6. 3D Renders or Illustrations as Source:
Using other people's 3D renders or illustrations (even with permission and no matter in which form they are offered) creates a false impression of your artwork. So 3D renders or illustrations can not be used as sources, unless they are entirely created by yourself. Only acceptable non-illustration brushes and clip art may be used, but you need to mention them as a source too. Don't use an image that has been altered by the source owner nor an entire work created by someone else.
Source 2 is from a blog and not offered under a Creative Commons license.
Source 3 is OK but not linked correctly.
Please see: http://www.pxleyes.com/blog/2009/06/how-and-where-to-find-legal-source-images/ and http://www.pxleyes.com/guidelines/photoshop/

Glad you found useable sources. The edges of the knife handle & potato could use some fixing. Selecting with the magic wand isn't as good as using the lasso tool or pen tool.

You might want to warp the type to fit the curve of the glass.

It's the movie that's supposed to suck, not the poster.

Edges of the cliff and her hair are very flat & crude. This would be good if you took the time to refine them.

Please fix your source links. You may have put them in the boxes for text & not URLs.

Interesting idea. Try to refine the edges on the arms & top of egg.

Nice hand job...errrrh...job making the hand!

Please fix your source links.

Why does the glass have a reflection on dull gray dust? Since it's transparent, some of the ground would be showing through.
Please post your source link, and read http://www.pxleyes.com/guidelines/photoshop/

The angle of the shadow would change more abruptly on the wall.

Well made & lots of fun!

IMO a slight highlight on the canopy around 5 o'clock would help, otherwise it's great!

The shadows of the figures are sharp and dark. Try to make the shadows of the metal objects match. The light source in the source photo is from upper left, so your shadows should show that too.

Love the dinosaur. You really should post a SBS though, if you're only using the source image.

Nice thinking.

Please fix your links.

Good composition. Edges could use a bit of refining & slight blur.

Try to do some shading on the figure to match the light source you've created.

Good texture work, but I'd make the reflection match the darker shadows of the object, and roughen up the edges of the rock bridge. Right now they look obviously cut out.
PS 7 is all you need to create good images. Don't let it discourage you! Lots of my entries were made with it.

Creative approach to use of the source, author. A step by step guide would be interesting to see.

Renders are not useable sources.

5.6. 3D Renders or Illustrations as Source:
Using other people's 3D renders or illustrations (even with permission and no matter in which form they are offered) creates a false impression of your artwork. So 3D renders or illustrations can not be used as sources, unless they are entirely created by yourself. Only acceptable non-illustration brushes and clip art may be used, but you need to mention them as a source too. Don't use an image that has been altered by the source owner nor an entire work created by someone else.

Author, you should be able to find a replacement image for the desert & resubmit.

Missing sources for trees, grass & dark clouds.

Welcome back!

Sorry, I didn't see the SBS. Still think a real Earth would work better, just my opinion.

Please post your source links, and read http://www.pxleyes.com/guidelines/photoshop/
Might be better to use the real Earth, but it's your call.

Author, you should fix the distortion on the head and consider adding a background.

Author, your sky photo is fantastic. I wish you had paid more attention to detail, though...The plane at top left wouldn't be flying with landing gear down. You could have removed it, or at least fixed the half tire showing. On the other 2 planes you've left white background showing between the torpedoes & the belly of the planes, and in the rudder flaps. On the left side of the saucer at right, you've chopped off 2 of the lens flares. All this is obvious in hi res.
In terms of your concept. it's great.