How to get diamond camo in black ops 2
Unlock all the weapons on a particular class.
Play through the game and make sure that all weapons in a specific class have been unlocked and are available to use.
Weapons can be unlocked only when your character reaches a certain level (such as the r870 mcs, which can be used when your character reaches level 4).

Complete missions and battle out on multiplayer matches to keep gaining experience points (xp) to raise your character's level a lot quicker. Unlock gold camouflage for every weapon in a particular class.

How to change windows 7 login background
Understand what you are going to change.
If you are unsure, press the windows + l key to lock your computer. Here you would see an image on the whole screen which is termed here as login background of windows 7.

Another important thing to note here is that the windows 7 login background will be visible to all users of the computer. Hence, you will need admin rights to do the change.

How to start a mobile services business
Choose a mobile service.
Assess your talents, interests and experience. Starting a business in an area you are already familiar with, comfortable in and good at is ideal.

Determine the practicality of taking your business on the road. You need to consider the cost and feasibility of transporting whatever equipment you will need to make your mobile service jobs run smoothly.

How to play off a trip
Go right into workout exercises.
If you don't fall on your stomach and then flip over to do pushups, people will suspect you are actually clumsy instead of thinking you are an exercise junkie.
Make sure you are already on your stomach.
This step requires you to scan your area quickly. You don't want to be on the ground motionless for an excessive amount of time.