This was from the title page of a very old Japanese book, so if it doesn't really look like a doctor that's because time has changed our stereotypes of what a doctor does I guess. Most of it correlates quite well though, I suppose.
卡通醫生框架
ambulance、cartoon、doctor、frame、patients、sick
救護車、動畫片、醫生、幀、耐心、生病
資料來源：openclipart ( https://openclipart.org/ )

A happy penguin coming to your party!--- Dedicated to Blöki <3 <3 <3 ---
黨企鵝
Animals Play Dress-up、anniversary、bird、birthday、cake、card、celebrate、celebration、happy birthday、Linux、party、party hat、penguin、Penguin characters、Penguin Characters、pENGUINS、penguins、present、School posts Icons、Tux
動物扮演裝扮、週年、鳥、生日、蛋糕、卡、慶祝、慶典、生日快樂、Linux的、派對、派對帽、企鵝、企鵝人物、企鵝人物、企鵝、企鵝、當下、學校職位圖標、企鵝
資料來源：openclipart ( https://openclipart.org/ )

Thank you, Vranka, for the 'no WiFi" logo. Here's the more ubiquitous "Free WiFi" logo for anyone who wants it. Have a safe and successful 2016....
適合所有人的免費WiFi（混音）
jonathan357、remix 223326、vranka、wifi、WiFi
jonathan357、混音223326、Vranken、無線上網、無線上網
資料來源：openclipart ( https://openclipart.org/ )

Never Stop Searching Sticker - with a simple telescope
永不停止搜索
Elements、inspiration、never stop searching、science、searching、sticker、telescope
分子、靈感、從不停止搜索、科學、搜索、貼紙、望遠鏡
資料來源：openclipart ( https://openclipart.org/ )

Mechanical pedometer
計步器
contapassi、escursionismo、passo、pedometro、step、tool、trekking、utensile
計步器、徒步旅行、步、pedometro、步、工具、徒步旅行、工具
資料來源：openclipart ( https://openclipart.org/ )

Men in suits black silhouettes
黑衣人
Industry、manager、men in black、people、silhouette、Silhouettes、team
行業、經理、黑衣人、人、輪廓、剪影、球隊
資料來源：openclipart ( https://openclipart.org/ )

These kids are scary to me. Maybe it's some sort of hidden trauma in my distant past. Maybe you find them cute? They haunt my dreams.
令人毛骨悚然的孩子麵孔
cartoon、children、creepy、cute、face、kids、Me theme、odd、scary
動畫片、孩子、爬行、可愛、面對、孩子、我的主題、奇、害怕
資料來源：openclipart ( https://openclipart.org/ )

Cherries with water drops.
櫻桃
cherry、fruit、fruits、images、sk1
櫻桃、水果、水果、圖片、SK1
資料來源：openclipart ( https://openclipart.org/ )

Kokopelli is a Native American Fertility Deity. There are many interpretations from the original Cave Paintings - this is one of them.
科科佩利
Fertility Deity、Kokopelli、Micheline、Native American
生育神、科科佩利、米舍利娜、美洲原住民
資料來源：openclipart ( https://openclipart.org/ )

Graffiti Cats by Rones.
Rones的塗鴉貓
cat、Cats、cute、graffiti、picture
貓、貓、可愛、塗鴉、圖片
資料來源：openclipart ( https://openclipart.org/ )