I just needed the spreadsheet section but there are very few things it actually does. You get an option to embed a spreadsheet and change the size... that's it. it works, but that's all I can say about it.
No option to change individual row sizes
no option to alternate shades between rows
no option to turn off the scrolling bars at the bottom and side and just print the spreadsheet
no option to hide columns for your notes
no option to just display a single tab (gid=)
I'm currently using inline spreadsheet viewer, I'm looking for something else because it hasn't been updated in 2 years but it's still the most feature rich google spreadsheet plugin I've found.