Final Image.
Finally, I took the place of Hu Jintao! lol
To arrive at my final image I did the following steps in Photoshop:
Step 1
I copied the "head" to the background image and moved it to the right position, namely,
Hu Jintao's head position.
Step 2
I changed the size and did some rotation to my head so that it fit Hu's body.
Step 3
I adjusted the color of my head to make it more natural and not too fake.