I don't know which ones you already have, but here's a V1 firmware dumped from my launch day DS:
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Thanks i believe i was missing v1 im still downloading every file from 4shared that is related to ds you wont believe what one can find there lol hope i find a ique ds firmware in 1 of the zips...
Edit: mega thanks bro i was missing this i didnt have the two blue screens in pictochat with any of my firmwares this is a nice addition to my collection
Strange how wiki page says v1 shows no colors and hangs in pictochat while v2 gives the blue colors hmm... but the firmware windows app i use shows it as v1 firmware
Heres what i believe is v5 and its a ds lite firmware according to the wiki Nintendo DS homebrew Page, the app i use shows it as v7 for some reason which is supposed to be in the gold limited edition japanese ds lite i dont know if the wiki got wrong info or the app is wrong.
Edit 2: And here are two apps i use for the ds firmwares that may help some people credits to desmume team for the firnware tool and bilibili2011 from gbatemp forums for the super editor