While there have been some recovery-flashable themes released for specific Jelly Bean ROMs, even a couple of themes for the new Nexus 7 tab, most users and themers alike have been anticipating the arrival of the popular Theme Chooser to Jelly Bean ROMs. Themers like the flexibility of Theme Chooser as well as its compatibility across multiple ROMs, while users like the wide variety of themes that can be switched at will without having to go into recovery.
I installed BAMF Paradigm 2.0 on my own Galaxy Nexus (Toro) to put it through its paces and test a Theme Chooser theme called Royal Elegance by Rootzwiki Themer artvandelay440. I had previously been running a preview build of AOKP for Jelly Bean with the recovery-flashable version of Royal Elegance, and I wanted to see if the Theme Chooser version worked on BAMF Paradigm. As you will notice from the screenshots included here, it ran seamlessly, and artvandelay440 is working on updating the theme for Jelly Bean as I write this.
(1) Home screen, (2) Theme Chooser view, (3) notification toggles in vertical layout
(4) About Phone, (5) BAMF settings, (3) main settings including link to Theme Chooser
Power Menu screenshot would be a fitting end to the article, except...
UPDATE: CM10 official release imminent?
According to an anonymous source intimately involved with CyanogenMod, the Theme Chooser is currently being merged into the official Gerrit, possibly indicating an imminent official release of CM10. As you might expect, the Theme Chooser will be cropping up on most Jelly Bean ROMs in the coming days, as the floodgates have now been opened. More on this as it develops...