Some things come in waves and a recent wave has been my newlywed couples and their parents asking for photos enlarged on canvas, which I love to do, and was even promoted by Southern New England Weddings issue as a "Great Idea" in their 2007 issue (pg. 318).
It's a little tough to tell from this online image (I've got this piece in my office, so please come by for a hands-on look), but below is a framed canvas piece.
You can make out some of the texture of the canvas and a little of that painterly "shine." It's in a beautiful gilded and stressed wood frame. It's a very unique look and I'm very happy with the printer that I work with to do these canvas transfers.
My canvas pieces are transfers of the emulsion from actual photographic prints, not an inkjet print onto canvas. Lab inkjet printers (usually professional versions of your home Epson printer) are great for printing on all kinds of papers, but for canvas I like the look and quality of a transfer. A protective laminate is applied to a custom print I make and then the print is bonded to 100% cotton, primed artist's canvas, replicating the look and feel of an oil painting. Canvas prints are wrapped around a wooden stretcher bar so they can be framed like the above example or even hung unframed.
I have also sold some of my landscape and architecture prints as canvases, mainly for the ability to be so elegantly framed without glass. Some of the businesses that have purchased my photographs on canvas have done so because they are hanging the pieces in open spaces with large walls of windows so they don't want sunlight glare on picture glass. It's a nice solution to a common problem as I tend to recommend against non-glare glass if possible because it always seems to dull whatever image is behind it.