For those interested:
0.10.141.2011_01_09_2201-a1.bin 2011.01.09 ~10pm CST
Regular disclaimers apply. :-) Note that this image is compressed with zip.
Remember that no matter what, you can always drop back to the stock Mario image, available here.
PS - Keep in mind that Google Video chat appears to be broken in the Dev builds (at the moment).