craftgrrl | help with brainstorming please!

I am planning on re-covering my kitchen table top (dinette?) with tiles, as the table itself is a sleek design but the top of it is rather ugly and worn.

What I am hoping for here, is some suggestions for different ways to transfer images onto the tiles, most likely line drawing or black and white images, not full colour detailed images.
I need to keep in mind this table is to eat upon, and will be washed often as a functional item.

I will be using black and white tiles (think checkerboard), and it is likely that I will be using glazed ceramic tiles (because they are nice looking, and finished already) but if i find any fantastic techniques that work with unglazed ceramic or glass tiles that's cool too, although i don't know how i would then finish the unglazed tile for kitchen use..help me out here!

any and all suggestions are much appreciated!