Never thought about adding spices. How much flour do you use? I tend to go for 550gm but should maybe do smaller loaves and try different things in them. That does look really nice. Yet another on the 'to try' list!
Getting peckish reading and looking at all posts above. Is it blashemy to humbly state a liking for home-made scones? 
i am always going to get the 1000g bread. so half is always flour. i like to "play" with spices and like to see what results only little of this ingredients will had. even some paprika, chili, pepper or simply some