GPG question

[nix]

>In PGP I can select the symmetric cryptographic algorithm to use (e.g. TripleDES, IDEA, 
>etc.).
>How can I make this selection in GPG ? If not: what is setup at the moment ?
>Note that I cannot find anything in one of the preferences (I'm using GPG4Win).

use the command line options '--symmetric' for encrypting symmetrically. Here's a sample:

$ gpg --cipher-algo AES256 --symmetric file.ext

where --cipler-algo list can be obtained from: gpg --version