You mentioned Skype and iChat in your original offer, and I sorta questioned it (with no response), so I'll be more specific (if you'll excuse my ignorance) and ask how transferring the file via either of those vehicles differs from e-mailing it.
Thanks.
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire