What about putting the logo and a download link to a high resolution variant on the homepage ont the Info -> License page [1]?
Stating something like deal.II Logo ============ The deal.II logo is copyrighted by ... and can be used under a [CC BY 4.0 license](link to license). You can find a high-resolution version [here](link to logo). Best, Matthias [1] http://dealii.org/license.html -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.