@DanUK1, the whole idea of a cc-license is that you display the authors information and in return you can use the pictures/icons. So, your idea opposes the sole purpose of the license.
As a part-time photographer, I get slightly offended when people use my CC-work without reference. Even large news websites. Of course, you want your site to look good, but there’s time, effort and lots of money involved in making the cc-work. [A decent camera + kit nowadays starts at $5000 USD, not to mention the software for editing, publishing costs online, and I’m not even talking about the experience over years to make such a piece of work.]
So, my advice would be to integrate the cc-attribution into the design. If you do it well, it’s a win-win; for you, because you show that you value other peoples work. And for the author, because he/she can get some attention. Plus there’s a bonus. Google awards you SEO-points for referencing and pingbacks. The latter meaning, notifying the author, and he/she making a reference to the use of the work.