I've just been made aware by a lovely Etsy seller that a kids clothing company in Argentina has been stealing my designs for commercial use, this makes me angry and disappointed. I don't watermark my images on my blog or etsy because I know not everyone can/wants buy a print or custom portrait and I think it's nice that people can save an image they like for personal use but when it's been used for profiteering like this...well geez!
Edit (for everyone who asked how I responded to this): I contacted the company about said offense and am now to believe they have removed the items from their stores.