Here is a tutorial to help you to create LOMO photographies thanks to Photoshop.
You can have some great pictures even it doesn’t look great at the first look to it.
The effect is enhanced with a picture containing colors and some depth.
I have shooted that fire plug with the Canon 70-200 zoom lens. F4.5 1/400 ISO 500.
The following videos are very well explained.
Video from the Youtube channel SLRlounge