Edit: I've updated resources links But if someday they will be broken - tell me and I'll reupload them
 
That tutorial is based on 'Photoshop Top Secrets' DVD's video tutorials.
It's takes me a lot of time to doing this
 
You will learn here how to create something like this:
 

 
using these two pictures
 

 

 
You can download resources from here: link no.1 or from here link no.2 (mirror). //Updated 22.04.2010
 
As you can see the picture of hippo is saved in psd and it's cropped  
(I've uploaded it cropped to save your time and because this is not
our problem here ).
 
Ok, let's rock!! ^^
 
1. Open the lizard photo and paste hippo to it.
 
2. Check hippo layer and use the Free Transform tool
   (Edit -> Free Transform or CTRL+T / COMMAND+T)
   to get something like this:
 

 
 TIP: Hold SHIFT button to scale your picture proportional.
      You can rotate your image by riding your mouse near
      the corner of the Free Transform tool frame or use
      Edit -> Transform -> Rotate
 
3. Let's colorize your hippo head now:
 
 a) make sure that you have hippo layer selected
 
 b) hold ALT button (OPTION in MAC) and press the black and white
    button placed at the bottom of Layers window and click
    'Color Balance'.
 
 c) in new window check 'Use Previous Layer to Create Clipping Mask'
    and click OK
 
 d) now you will see the 'Color Balance' window. In Midtones type
    these numbers: 0  +40  -100
 
 e) change to Highlights and wrote this: 0  +29  0
 
 You should see something like this now:
 
 
 
4. Check your hippo layer and click 'Add vector mask' button placed
   at the bottom of Layers window
 
5. Make sure that you have default colors set (press D to do that),
   You should have set Black color on foreground.
 
6. Take Brush Tool (B) and mask areas showed below
 

 
 TIP: Don't afraid if You masked too much. Just choose the white color
      as your foreground (if you have default colors just press X to change
      between foreground and background colors) and unmask area that you want
 
 You should have similar picture to this:
 

 
7. Let's do something with parts of lizards' head now
 

 
 a) check lizard layer
 
 b) Pick up Clone Stamp Tool (S) choose big (about 200px) and smooth brush.
    Hold Alt/Option key and click here:
 

 
 TIP: Doing this you have selected an area to clone
 
 c) stop holding Alt/Option key and click on lizards' nose a couple of time
    until you have this:
 

 
 d) change brush size to about 60px and  target (with Alt/Option key) that area:
 

 
 e) now clone that to the white area
 
 You should have that:
 

 
8. Click the top layer and make new layer. Call it 'skin'
 
9. Check Clone Stamp Tool and make sure that you have selected 'All layers'
   in the top bar
 
10. Now we will clone some lizard skin. Free your mind and spend some time to
    work at it. This is my result:
 

 
 
That could be over but we will work with some lighting effects

11. We will brighten hippo head now. Click on hippo layer. Hold Alt/Option key,
    click black and white circle and choose 'Levels'. Check 'Use Previous Layer...'
    and type these values: 0  0,75  178.

12. As you can see, the mouth is to bright so check the white rectangle near
    'Levels' layer. This is vector layer

13. Choose Brush Tool with black color and set brush as smooth and 160px.
    Mask that area:

14. Let's dark area behind hippo head Click on lizard layer, check Quick Mask
    mode (Q), change foreground color to black, select smooth and big (about
    400px) brush and paint that area:

Altough you set black color, the painted area will be red. So don't worry, it's
 not a mistake, that's look in quick mask mode

15. Switch to Normal Mode (Q again) and you should see the select beside the
    area that we painted before.

16. Now go to Select -> Inverse (or CTRL+SHIFT+I/COMMAND+SHIFT+I) then hold
    ALT/OPTION key and in the black and white button select 'Brightness and
    Contrast', select 'Use Previous Layer...'and in the next menu set these
    values:

   Brightness: -34
    Contrast: -22

17. OK. Look at the hippo mouth. It's  green. Let's change it Click on the
    mask layer in 'Color Balance' layer and mask area in hippo mouth to get
    that:

18. Do the same with hippo eye

19. and mask that area also

so that would be look like a shadow

20. And the last thing - we will colorize all of it. Create new layer at the top.
    Set foreground color to #333366 and fill that layer by Paint Bucket Tool
    or press ALT+BACKSPACE/OPTION+BACKSPACE

TIP: By ALT+BACKSPACE/OPTION+BACKSPACE you can fill every layer with foreground
      color and by CTRL+BACKSPACE/COMMAND+BACKSPACE with background

21. Now go to Blending Mode menu, select Overlay and change opacity to 66%

And that's all!!

This is my result:

I hope that it wasn't too hard for you So don't afraid with trying with other
animal photos and morphing them The biggest problem is to find good photos.
You should have a lot of lucky So, good luck!

WOW cool!  I will ty this one as soon as I get home from school!  This is too cool to pass up.

Thanks for this earnur!

Great tutorial earnur! Totally love the outcome. Going to try this one with your images and also with own images if I find some time. Magnificent work.

Thanks

I found a site with more morphed animals www.humandescent.com

There are tutorials also, but you must pay for view them. Here you have tutorial for free

Ok here is my first attempt lol

I think it could be done better, but thats why you practice

This topic is going to show us some funny images I predict. I think that one of yours is pretty funny and nice DarkLady. Although your outcome is not perfect, it's definitely some good work.

Yeah, nice outcome DarkLady  
Maybe try colorize this Zebra-Dog head like zebra?

I hope that we'll see here a lot of nice and funny works

BTW, here you can see my Chickbunny. It was added to the Wallpapers Section but I think that here would be good place too

Updated the color... But the lighting is still a bit off... I think I may have chosen the wrong image o.0

EDIT:

Ok I went for an easier one... I think I bit off more than I could chew that first time lol

Yay, that awesome

Nice new results DarkLady and earnur!

Thanks Gruzz If I would have a time, I will work on next pictures

BTW Gruzz why don't you try to do something in that topic?  

In this topic you mean? I have got it in my mind to try this tutorial, but I didn't found any time yet.

Yes in this topic So, I hope that you will find time soon and show us your result.

Don't you think that it's very interesting that in this topic write only 3 people? Nobody else interested?

Give it some time, some of the tutorials take a while to pick up.

Cool topic!

Thanks man!

Great work man!!

Thanks Codename M2K

WOW! XD

-[ Rofl ]-

Funny animals... i never thought animals can be as funny as these

I'll give it a try in the summer holiday
maybe my father with a cow

LOL now that sounds like an interesting idea... Never thought to try a person.  I think I might have to do just that myself also

Hmm, about morphing human and animal see here

1. Link 1
2. Link 2
3. Link 3
4. Link 4

I found it in Internet (thanks to uncle Google )

Great tutorial with Great topic , nice animal pictures

Thanks design maker I'm waiting for new morped projects from users

ehh mines not too good.

oh well i tried right?