but I will use Apple's Mail app as an example.
1. With the Mail app open, create a new email.
2. Find the icon of a Paper Clip, click it, in the resulting window, navigate to where your JPEG is located.
3. Click it and choose Open or Choose File
Done.
Or
Step 1 and then just drag your picture into the new email
Done
Or
Step 1 then press Shift + Command + A
Or
Step 1 then File (in the menu bar) > Attache Files
You will find the Help button very helpful for simple thing like this.
P
How do I attach some J-Peg to an e-Mail using OS X10.6.8 ?

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