Hot on the heels of 0.6, now you can set offsets on a per-selector basis. This means you can alter multi-coloured websites in a relative way! Yay! Download it here.
Note the ’styles’ item is now (correctly) called ‘attributes’.
Update: 0.71 quick bugfix release! Fixed not working in IE7 (boo!)

Sooner rather than later it seems, you can now download Rotates ColorShift 0.6 and bask in its amazingness.
The main change is how you set your selectors; instead of writing your own jQuery to target the elements you want to change, you feed rotColShiftOpts.cssTransforms with an array of objects. This is what Rotates.org uses:
[
{
selector: "a, h2, [...]

I’ve been playing with various Twitter widgets for Wordpress, none of which have been quite ‘right’, so I’ll be creating my own. This has also spurred me to update ColorShift, as the fail is now showing in the code, and it needs a more robust way of applying colours to all elements, including ones added [...]

As promised, I’ve added the slightly fettled version of ColorShift (as it’s now known – yes I’m English, no I won’t spell it ‘colour’ because I’m a webdev) to the site. Currently it’s in a pretty sorry state and only just works via the crutches of pure hackery that keep it standing…
… okay a bit [...]