I have the same issue on kubuntu.
The settings we are talking about is in the browser tab of the preferences.
Pidgin version is 2.2.1
$ cat /proc/version
Linux version 2.6.22-14-generic (buildd@terranova) (gcc version 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Tue Feb 12 07:42:25 UTC 2008
I have the same issue on kubuntu.
The settings we are talking about is in the browser tab of the preferences.
Pidgin version is 2.2.1
$ cat /proc/version
Linux version 2.6.22-14-generic (buildd@terranova) (gcc version 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Tue Feb 12 07:42:25 UTC 2008