As I understand (I didn't know him before), Joachim du Bellay was an early defender of the French language.
Should we pay him a tribute by including his picture in the site design? Or is he just one among many and not really different from others?
I don't see why Du Bellay in particular. On the other hand, even before the site started, I've been thinking of using the Bibliothèque de la Pléiade as an inspiration. Like English Language & Usage has a design inspired from Tenniel's illustrations of Alice in Wonderland, we could draw inspiration from the highly reputed editions. La Pléiade instantly evokes high quality, both of form and content. Its typeface is distinctive (Garamond du Roi, i.e. King's Garamond), as is the general appearance of the books.
Du Bellay n’est qu’une des figures de La Pléiade, je ne sais pas trop pourquoi choisir lui plutôt qu’un autre. François I a été l’instigateur réel de la langue, par l'ordonnance de Villers-Cotterêts. La langue française a eu pas mal de défenseurs, tirant parfois dans des directions différentes voire opposées, mais je ne vois pas trop ce que Du Bellay a de particulier.