That's what I do sometimes. I mean, it's tricky. These creative commons sites *should* be safe to use, especially the ones where they licence doesn't require accreditation, so it doesn't matter if you get it wrong. But then you get occasional mishaps, like in the first example, where things seem fishy. So, I don't know. I'm using a bit of both. The image on this story is a photo of a pen holder in our lounge.