"System preferences" icon from Tango Project

Since version 0.8.90 Tango Project icons are Public Domain: Tango Project FAQ
探戈偏好系統
externalsource、icon、preferences、Projects RS、screwdriver、settings、spanner、tango、tool
外部源、圖標、喜好、項目RS、螺絲刀、設置、扳手、探戈舞、工具
資料來源：openclipart ( https://openclipart.org/ )

Hay que endurecer pero sin software propietario.A mashup from a classic che guevara picture and Richard Stallman portrait.
多麼失速
che、gnu、language spanish、stallman、todo english、wallpaper
車、GNU、語言西班牙語、斯托曼、全英、牆紙
資料來源：openclipart ( https://openclipart.org/ )

Drawing by Francesco 'Architetto' Rollandin. From OCAL 0.18 release.
建築師 - 羊毛
Alphabet Word Images、Creative Motifs、hobby、knitting、wool、yarn
字母詞圖像、創意圖案、愛好、針織、羊毛、紗
資料來源：openclipart ( https://openclipart.org/ )

Simple watermelon image with thick black contour. Image size 128x128 is intentional: it is part of a set.
西瓜圖標
CCC Fruits、contour、food、fruit、Fruits、icon、original、watermelon
CCC水果、輪廓、餐飲、水果、水果、圖標、原版的、西瓜
資料來源：openclipart ( https://openclipart.org/ )

I think the Internet doesn't have enough deer-head pseudo frames. Now there is one more to help diminish that gap. More deer-heads for you deer lovers!
鹿架
animal、antlers、buck、deer、frame、horns、hunting、LIke、nature
動物、鹿角、降壓、鹿、幀、牛角、狩獵、喜歡、性質
資料來源：openclipart ( https://openclipart.org/ )

happy birthday with stars.
生日快樂
happy birthday-birthday-cake-happy-party-happy-food-toys-toy-color-kid-kids-childreen-fun、occasions
生日快樂 - 生日蛋糕 - 快樂派對 - 快樂食品 - 玩具 - 玩具 - 顏色 - 孩子 - 孩子 - 兒童 - 樂趣、場合
資料來源：openclipart ( https://openclipart.org/ )

This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher
看跌期權
animal、biology、black and white、dog、dog breed、Drawing refs、externalsource、line art、mammal、outline、pet、psf、wikimedia commons、zoology
動物、生物學、黑與白、狗、狗品種、繪圖參考、外部源、線條藝術、哺乳動物、大綱、寵物、PSF、維基媒體公地、動物學
資料來源：openclipart ( https://openclipart.org/ )

I hope that this image can be somewhat useful. I thought that the "push month" trippy abstract clipart wasn't so useful in a practical sense, so I tried to remix it to somewhat represent protests somehow.
抗議婦女
crowd、demonstration、protest、Relationship、remix 184354、signs、women
人群、示範、抗議、關係、混音184354、跡象、我們
資料來源：openclipart ( https://openclipart.org/ )

A remix of openclipart.org/detail/192715/beer-ingredients-:-hop-and-barley-by-bf5man-192715 with the hops removed.Originally: Hop and Barley source: British Library www.flickr.com/photos/britishlibrary/11062792186
大麥
barley、british library、drawing、ingredients、vectorized
大麥、英國圖書館、畫畫、配料、矢量
資料來源：openclipart ( https://openclipart.org/ )

emblem border/frame with metallic gradient
會徽邊框金屬
border、emblem、frame、gradient、metallic、remix 248198
邊界、徽、幀、梯度、金屬的、混音248198
資料來源：openclipart ( https://openclipart.org/ )