Profile pictures

All letters in all the material colors.

For the ones who don't want to use the gifs.
(Second upload, I forgot the red O)

Deadmau5

The Deadmau5 logo with different colored backgrounds.

As requested by: +dex H​

Google+ create.

A person with a create badge and the logo, smooth and normal.
Learn more: https://plus.google.com/create.

As requested by: +Michael Brown​​, who is a member of Google+ create.

The French suit of cards is the primary used suit in the English-speaking world.

https://en.wikipedia.org/wiki/Suit_(cards)

Amaterasu

2 different minimalistic illustrations of Amaterasu from Okami.

As requested by: +BR0SIAH InkGriffin

The Olympics.

Different versions of Android

From Donut to Marshmallow.
Learn about the history of Android: https://www.android.com/intl/en_au/history/#/marshmallow

I'm getting excited for Android N.

Material colored flags #2.

A pirate flag, Sweden, Swiss, Greece, Australia, Ethiopia, Brasil and Jamaica.
Portugal, as requested by: +Bruno V.​
Germany and Starfleet, as requested by: +Micheal Schindler​
Merchant Marines, as requested by: +Terry Logg​

#1: https://plus.google.com/+LucasvanOsenbruggen/posts/LJSBXrwzQ8r

The normal Google+ profile picture and my variations.

Different expressions: happy, sad, etc.
Different colors: red, yellow, green, etc.
Different shadows: long shadow and vertical score.