Kernel modules must match the installed kernel.
As Dragonworth images are bound to the old 3.3.8 kernel, you can not install them from feed (Feeds have kernel 3.13.5).
So I've added two zip archives to my server:
_All_kernel_IPKs_for_oe3.4_Distros_Dragonworth.zip
and
_All_kernel_IPKs_for_oe4.0_Distros_Dragonworth.zip
If you need to install additional kernel-modules on Dragonworth clones, download the archive matching your distro (e.g. OpenATV 5.3 is based on oe3.4, while OpenATV 6.0 is based on oe4.0), but for your convenience, the correct archive for each distro is linked inside the image download folder, so just grab the one that is right where you download the image from.
Extract the archive, transfer the wanted module to your box and install manually using the shell with this (example) command:
(assuming you have copied kernel-module-nandsim_3.3.8-.4_vusolo2.ipk to the directory "kernel" on the USB stick that is attached to the box).
The procedure is the same, no matter if you want the nandsim module or some module(s) for external WiFi/DVB sticks.