A sublime garden of yellow flowers develops nicely on a black canvas (or the equivalent). You could make a postcard of this; I recommend it, in fact. Send me one if you do! (My address is at the bottom here.)
To download, right-click the thumbnail and click “Save Link As” (Firefox) or “Save Target As” (Internet Explorer).
Download the source image (9MB, Canon Rebel XTi RAW file).
This work is licensed under a Creative Commons Attribution 3.0 License. Credit me as Richard X. Thripp, and link back to richardxthripp.thripp.com or rxthripp.com. Thanks!

