Enlarge something...
Open up a picture that is bigger then your image-size;

Select a part of it and press CTRL+C and then CTRL+V;

The base-layer you must resize the way it fits the image;

Resize the spare-part too if it's too big;

Place it in position;

Add these layer-styles;




Maybe lower the saturation of the background-picture for more feeling to it:










10 Random Photoshop Miscellaneous :
10 Random TutorialKit Materials:












More Photoshop: