Scott, I get the following from copy and pasting the message:
$ gpg --verify scott.txt
gpg: Signature made Wed 29 Sep 2010 14:30:17 BST using DSA key ID DDCD686A
gpg: requesting key DDCD686A from hkp server wwwkeys.eu.pgp.net
gpg: key DDCD686A: public key "Donald Scott Kitterman <email address hidden>" imported
gpg: 3 marginal(s) needed, 1 complete(s) needed, PGP trust model
gpg: depth: 0 valid: 3 signed: 1 trust: 0-, 0q, 0n, 0m, 0f, 3u
gpg: depth: 1 valid: 1 signed: 1 trust: 0-, 0q, 0n, 0m, 1f, 0u
gpg: depth: 2 valid: 1 signed: 5 trust: 1-, 0q, 0n, 0m, 0f, 0u
gpg: next trustdb check due at 2011-09-14
gpg: Total number processed: 1
gpg: imported: 1
gpg: BAD signature from "Donald Scott Kitterman <email address hidden>"
Can you try attaching the message to this bug report in case Launchpad is introducing some white-space or other formatting issues?