I believe it got blended into Fundamentals.
On fotos, I save to desktop from the iPhoto.
Close it. Reopen and it should be in "Preview". Scroll across the top to "Tools" and the drop down will show "Adjust Size".
I then shrink it down to whatever %-age will give about 150 kb size for here in this.
I haven't done this since the new-fangle clusterfork of a site has been initiated, but that's what worked 4 me in the past.