I had some old CrystalFontz 20x4 serial LCD's around that seemed to have no use.
I also had an issue with having no clock, if my PC's monitors have gone to sleep. A perfect use for that 20x4 LCD.. ahh but its serial and I have no real serial ports, only a USB to serial that I use a lot for my serial consoles.
Easy fix, just hack up a spare usb to serial adapter. I am using lcd4linux . I am not 100% happy with it, its very rudimentary compared to other lcd software for windows! take lcdsmartie for example..
I'll post up my lcd4linux.conf when i am happy with it. Currently it just has time, date,cpu temp and current playing song.
More on my flicker