Script Summary: ** Inserts signature above any quoted messages. ** Applies different signatures (look for 'Use identity:') for writing gmail messages when different From: address is chosen.
A hacked version of choonkeat's "Gmail Tweaks: Multiple Signatures". Updated to insert signature before any quoted messages (both Forwards and Replies), instead of at end of email body. Also has option to insert signature at top of message too (scroll down and comment in/out lines in "htmlJS" method).
Functionality is otherwise the same:
Applies different signatures (look for 'Use identity:') for writing gmail messages when different From: address is chosen. Right now, data has to be configured directly into this script. Click EDIT to configure your email and signatures: email_array, sig_array, col_array
A multiple signature selector. Combines choosing "From: address" and signature into 1 action.
To add signature, from address, color theme you'll need to edit the script itself. Sorry!