That wood looks great to me. If it is stackable it must not be too awful bad. Now that a lot of my wood comes from a tree removal company my standards on aesthetics have lowered. My firewood OCD allows 3 general classifications. Nice, pretty "sellable" splits of hardwood, not so pretty, knots, twists, larger, but still stackable is "OWB" wood, and finally, the PITA chunks that get thrown in the apple boxes because they won't stack. The "uglies" used to drive me nuts, but since incorporating used apple boxes they no longer do. I just set a full box next to the OWB with the tractor and swap it out when it's empty. It works well for me by mixing with "prettier" wood as it fills in the gaps in the burner and allows you to really load it up when necessary. I agree with the knotty "uglies" having the most BTU's and call them "overnighters" as well.