Customizing OpenWrt Boot Logo
To costumize the logo of the generated OpenWrt distribution on Ben NanoNote, you will need an .ppm (Portable Pixelmap Graphic) editing tool like XnView. You must have in account than the final image has to be 220 colours maximum and it's size should be 320x179 pixels (preferably) and codification must be ASCII not binary.
You can also use GIMP, with 'Select save extension -> ppm' and when asked, choose ASCII, not Raw
Use netpbm: pngtopnm logo.png | ppmquant -fs 223 | pnmtoplainpnm > logo_linux_clut224.ppm
The path where you will find the distribution default logo is:
Once you finish to edit the file you must recompile the distribution to view the changes. If you have checkout the distribution from git (git clone git://projects.qi-hardware.com/openwrt-xburst.git) don't use "make clean" due you will erase the changes you have done in the directory. To avoid the compiler reuse the already compiled files of the image you should remove the following files:
Following are some examples of customized logos on Ben NanoNote: