how to use wifi, retrieve .deb files of of a flash drive

I have a emac and I'm using the ppc text(no gui) version. can I use wifi to download with wget? and how can I install .deb files when they are on a flash drive? -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.de

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all right, I have 2 questions. can I use .deb files on the the teminal version? and can I upgrade from the terminal one to the desktop one? and how? -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Arc