For my get pushed 34 challenge to use my flash, I took about 30 photos of a various roses from a bunch we bought today ( http://365project.org/taffy/365/2013-03-15 is the one I posted for the challenge). I've also been learning the Color Efex Pro 4 processing tool so for one of the roses, I created several versions - high key, b&w, changing color and tone. This was one of my favorites from that series.
@pflaume It's all in the Color Efex processing. You select a particular effect and then it does a lot automatically. THEN, you can import it into Aperture or any other program and make adjustments there. Or just leave as is, if it looks the way you want it to.
@pflaume one last thing...if you are associated with education (an .edu email address or proof of working in education), the cost is 50% of the list cost.
@kimshots @kklickr @johnmnewman Thank you for your supportive comments.