I recently posted about free fonts and free 3D mockups. This latest resource rounds up nicely these two design-related posts by throwing some great images into the mix.

PNGkey has a stunning number of free PNG resources. For those unfamiliar with PNG, it is a graphics file format that allows transparency. This lets you download a resource such as the flames below and spruce up an existing design, as I do in the example below:

Flames | From the blog of Nicholas C. Rossis, author of science fiction, the Pearseus epic fantasy series and children's books

Here is an image of flames I downloaded from PNGkey

 

DIY Book Covers | From the blog of Nicholas C. Rossis, author of science fiction, the Pearseus epic fantasy series and children's books

Here is a 3D mockup I made with DIY Book Covers

 

Burning Pearseus | From the blog of Nicholas C. Rossis, author of science fiction, the Pearseus epic fantasy series and children's books

I combined the two for a more impressive design

 

Alternatively, you can use the images to create a new design from scratch. With thousands of images, you’re spoiled for choice:

PNGkey | From the blog of Nicholas C. Rossis, author of science fiction, the Pearseus epic fantasy series and children's books

Finally, you can add logos to designs such as banners or websites.

I hope you find PNGkey useful. Once again, many thanks to Krystallia for the tip!