which sources do I add? cannot install packages

[qbic]

I read the sticky, but I didn't know where else to put it, so..
Please replace this topic if necesary

I'm trying to install sun-j2re and flashplayer-mozilla but I seem to be missing the sources...
Which sources do I have to add? plf? where to find them?
I'm running 5.10 breezy

[aysiu]

You may want to look here (https://wiki.ubuntu.com/RestrictedFormats#head-f375cba46014e861cd5ec7643bd7c4ef05acff2b) and here (https://wiki.ubuntu.com/RestrictedFormats#head-68565ae07a003332e82c9f23706638777396c249).

[qbic]

thanks :-)