Can I recommend you a similar dragon adoptable site called Flight Rising? It's more along the lines of Neopets in terms of complexity, but doesn't use the views-to-grow mechanic. The sprites are larger and technically less diverse, but have customisable textures.

Here's some of mine.
[img]http://flightrising.com/rendern/350/139907/13990606_350.png?mtime=VdBunQACdgU[/img]
[img]http://flightrising.com/rendern/350/136049/13604857_350.png?mtime=VZyPiAACzps[/img]
[img]http://flightrising.com/rendern/350/149419/14941818_350.png?mtime=VbN-eQACkBw[/img]