Here you go. The font used in the two default covers is
Gentium Book Basic, available on fontspace. For the fanfic cover with the pretty picture, I used two fonts:
Ringbearer and
Dwarf Runes, both of which are available for free
here.
Note that the settings for the left and right margins on my covers aren't exactly fixed; I tend to tweak them if I don't like what I see and mess around till I feel they're just right. YMMV.