I too downloaded the three images. They all look virtually the same in my applications because the image data appears to be the same in all three. I also looked in ColorThink and each image is color-clipped at several areas of the sRGB 3D color-space, mostly reds, also blues and even some almost-whites. Probably due to a relative-colorimetric conversion from ProPhoto to sRGB color space.
My only suggestion is to always embed an ICC profile, otherwise any viewer's app will do what it wants with your image rather than using your own profile - even if it's just sRGB. You've already seen that with my yellow flowers earlier. The right-hand image data was in ProPhoto color space and the browser showed it as sRGB. I'll try to explain why . . .
Let's say the actual color of the flower in "independent" space is X,Y,Z. In a wide gamut RGB space that might be 150, 150, 25. In sRGB that same color appearance might be given as 200, 200, 15. If you display a wide gamut file with a pixel at 150, 150, 25 on your sRGB monitor without an embedded profile, the pixel will look wrong - mainly it will look un-saturated and even a bit color-shifted . . . because the RGB numbers of 150, 150, 25 are not the correct ones for the afore-mentioned actual XYZ color. Steve has described the opposite of that effect where sRGB color values become more saturated in appearance when used in wider color spaces.
Have you (Roberta) considered using the sRGB emulation setting on your wide gamut monitor? But I suppose the wider gamut is more useful for soft-proofing print files?