The fourm ladies were very helpful (as always) and by an overwhelming majority, suggested I drop the leaves print.
Choosing fabric is hard!
Then the subject of values came up again - which seemed to point to the dark purple being dumped. One very helpful member (thank you so much Robynne) even went to the trouble to make mock-ups using the photo I posted. You can see them here......... http://forum.craftmagazines.com.au/showthread.php?t=4768
I decided, after much dithering, to dump the yellow in favour of a cream print. Now I had 2 prints and 2 plains, like Harriet's version. I also had 2 dark values, 1 medium and 1 light, a much better balance. I'd use the yellow for the border.
Compare colours - cream or yellow?
All of this fluffing about has taught me a valuable lesson - learn the rules thoroughly, promptly forget them, then go with what you like. Eventually, with a bit of experience and experimentation, it should all come together.
I've finished the piecing and hopefully will post a pic of the assembled top soon.