Most roms out there could be modified to work with Coby, I am not going to do all that work though, when I fine a nice looking rom like this one I do plan on modifying it, giving credit to the author as well as a link to the original rom thread.
You need to have cwm recovery already installed, place on sdcard and boot into recovery use cwn to install 7042_Mobiz_V.2.zip #note always have at least one good backup before flashing any rom.
this changes sdcard mount points, sdcard will be the small micro card you insert in tablet, internal will be /mnt/sdext
to read about rom.
[ROM] Aurora ICS 4.0.3 Mobiz V.1 by wasan007 (Based on Feiyu 0515) - SlateDroid.com
7042 download below #note this is for 7042_boot and not 7042_boot1
I am currently testing a version for 8042 haven't uploaded it at this time, there will be two versions for 8042, one installs to tablet other will install to sdcard for those that are using boot_ds.img.zip , eg running /system and /data from sdcard. the latter is my preferred method.
credits go to
added init.d support zip should work on any android.