Achievements, achievements, there are lots in Minecraft, but why not add your own?

How to make an achievement on this page:

Row 1: Name of achievement

Row 2: Prerequisites (achievement required)

Row 3: In-Game Description

Row 4: Acual Requirements (if needed)

Row 5: Item/block Picture

For example:

Name: Who's The Better Sniper?

Requires: Monster Hunter

Description: Kill 50 Skeletons with only bows and arrows!

Acual: Kill 50 Skeletons only using arrows shot from a bow.

Picture: Skeleton Head

So that's how to make an achievement! So get busy with ideas!