Here is a short tutorial to give you an example of how you can modify my high resolution graphics to become part of your own design. This tutorial uses Photoshop Elements but as long as you have a graphics program that supports layers you can follow along.
1. Open the image and copy it to a new layer. Give the copy a new color:
2. Rotate it so the image underneath will show slightly:
3. Make another layer and copy the image again. Give it another color and resize it to make it smaller:
4. To top it off you can add a circle in the middle:
Save it and there you go, you have yourself a new flower.