These issues has been well covered in lots of threads lately... Search, please...!
hkala: Safari may misbehave if you have 3rd party enhancers installed... like pithelmet...
jayjay88: You may still download pictures wherever you want, you just has to hold down the option (aka alt) button when you right- or ctrl-click to get the old Save as... option...
Edit (Note to any mods popping by): Maybe this thread should be moved to Mac OS X, where it belongs, and closed...?