Swiftly (though navigable) flows the stream (4)
YA-E, and still I can't get there - haven't a clue.
Last one. Any help appreciated to end the torture....
Slander and briefly myths brought up as an afterthought (8)
_ D _ E _ D _ M
...just has to be ADDENDUM. Ok, I can see mud backwards at the end, but can you explain Nedda/Adden to me, please?...
