I try to never spend more than $5 or $10 dollars on a bunch so most times my flowers are coming from my supermarket or deli. Instead of just sticking them into a plain vase in a haphazard manor I like using pieces from my milk glass collection.
Here is an easy arrangement that anyone could do with a simple bowl.
Step 1: Get our your supplies. Use any bowl you may have it doesn't have to be milk glass. Floral foam is a must. It helps hold the flowers into place and I find that it helps my flowers last longer. I purchased that pack at Michaels for $6. It goes a long way.
Step 2: Using a kitchen knife cut your foam and place it in the bowl.
Step 3: Cover foam with water.
Step 4: Start cutting down the flowers. I cut them down one at a time. Due to the shape of the bowl and the foam each flower is going to be a slightly different size. I just play around with it until I get the right shape.
Step 5: Enjoy!
That arrangement took about 10 mins. I used it as a table centerpiece during my Mom's birthday brunch. My mom loves flowers so she was very happy to see some cheerful blooms on the table.
This type of arrangement can be done with any type of flower. Normally I like doing the same flower like roses or even carnations and getting a big consistent colored pouf!
Something along the lines of this beauty by Eddie Ross:
Images 1-6 via me, 7 via Eddie Ross