same questions about client pidgin

[sandraschweickart at primebank.us]

hello
can u tell me please, i'm used last Pidgin Portable.

and intrested answer on same questions:

1. how make invisible in jabber can u tell me please? i cant see it.

2. how remove this words after my nickname in chat session:
(7:36:24 AM) coco at thesecure.biz/23766039121303406407811475:

3. maybe i have for portable pindgin where i can download GPG\PGP plugin?

thanks u too much.