I agree it would be helpful to browse only plants with photos when trying to identify something.
There was some discussion about that earlier.
http://garden.org/thread/view_...
Looking at the database if I select a type of plants I am able to search for recent photos; the choices are
Time: Today | Last Week | Last Month
Sort by: New | Popular | Buzzing
Show Vendor Images: Yes | No
If the "Time" portion could be extended to include "all time" ...well, I am not a computer genius so have no clue if that is even possible.