But is there any way to do this from within email sending?
The other way will not allow you to attach in reply to a received email.
Thanks!!
If you want this functionality in your mailer then the best bet is to ditch the mailers that came with the phone, and go with k-9 mail.
You can tap attach directly in K-9, and it will prompt you to select which application to use to find the file, (gallery, Astro, etc) and then it will attach it, and send it for you.
So you can do it on replys or forwards, etc.
Go get K-9. Its really the best mailer out there as far as I can see, and its cheap, (as in free). Powerful, (and slightly more complex to set up, but it handles Gmail, exchange, and Imap servers perfectly. (Pop too if you are still stuck on a pop server).