Wanna first do with the basic windows background, but to get more realism i had to find a good source photo, so i plan to put my dinosaur on this picture that my sister took:
Canon PowerShot SX100 IS
CCD Sensor: 1/2.5" (~ 5.75 x 4.32 mm) (surface area 24.84 mm²)
2048x1536
H/V: 180pp
sRGB
35mm
Focal: F/3.2