There are serveral variations to growing your plants in buckets, firstly with a growing media and secondly hydroponics using a bucket.
The hydroponic method is discussed in another section.
Like the hydroponic system you drill 50mm holes into the bucket where you want to plant.
Fill the bucket up to your holes and plant filling and plant as you get to the top and as in the photo tou can plant on the top.
In the photo tomato's are growing out of the bottom of the bucket.