There are several places around the web where you can find (and buy) some of my work, which is mostly photography atm.
My blog: Creative thoughts... - not selling any stuff here
My logodesigns: Portfolio - not selling any stuff directly
BrandCrowd: Selling high quality logos here
theLogoMix: Various logodesigns for sale
Twitter: rontz - not selling any stuff here
flickr: rontz-design - not selling any stuff here
DeviantArt: All my DA-prints in one spot
500px: Selling some photos - I suggest buying prints elsewhere, as there are no size- or pricing-options which results in high print prices
ARTFLAKES: Selling some photos as prints
Posterlounge: Selling some photos as prints
amazon: Selling some photos as prings
eBay: Selling some photos as prints