Last Panda update was on 19 April, after this update was an algo update regarding Spam (keywords density, unnatural link profile).
I find nofollow links useful for new sites only to be crawled faster and direct traffic.
I use PNG, is higher quality and reasonable size.
Is a must see movie. I like it a lot.
Also, you can use an online service like http://www.freecontactform.com/
In my opinion what the script is doing after goal is accomplished, it does not matter.
Working as article writer.
Do not put massive quantity of links in a short period of time.
Magento is good for complex stores, i have tested Prestashop and is ok from my point of view.
Depend by content, for me Facebook had some results.
Those "40 minor differents" are not referring to Panda, are for whole algorithm.
I use Analytics because have good and useful reports. Is 100% free.
I like "Safe House" with Denzel Washington and i expect to see the comedy "Dictator".
Separate names with a comma.