The large rune is the symbol for my hold, Drung Drakk. I made it up on the spot when I needed something to fill the space, so I can't say its design has any particular meaning. The last rune is just a grudge rune - I'm not sure what banner runes I'll be using on their banner, so I figured something generic would be fine. I'm sure any dwarf banking clan is particularly interested in grudges.
Thanks for reading,