Suppose this isn't a horsefly, so if it's any kind of fly I suppose it's a housefly. But to tell you the truth, I'm not sure I know much about the difference in those two... they are both bugs to me!
蒼蠅
bug、b_w、housefly、top
竊聽器、B_W、蒼蠅、最佳
資料來源：openclipart ( https://openclipart.org/ )

A ying and Yang sign made with a white and black dragon.
Dring和Drang
dragons、logo、RV Martial Arts、sign、stamp art、yang、ying
小龍、商標、RV武術、標誌、郵票藝術、楊、應
資料來源：openclipart ( https://openclipart.org/ )

laptop
PC LAPTOP筆記本
LAPTOP、NOTEBOOK、PC、Recursos docencia
筆記本電腦、筆記本、個人計算機、教學資源
資料來源：openclipart ( https://openclipart.org/ )

A simple pencil sharpener clipart
卷筆刀
office goods、pencil、Set 1A、sharpener
辦公用品、鉛筆、設置1A、卷筆刀
資料來源：openclipart ( https://openclipart.org/ )

From http://openclipart.org/cgi-bin/navigate/people?page=4
握手
externalsource、hand、hands、people、People Communicating、Web/Android UI
外部源、手、手、人、人們溝通、Web / Android UI
資料來源：openclipart ( https://openclipart.org/ )

snow.
雪
Christmas 2010、holidays2010、ice、landscape、scenery、snow
2010年聖誕節、holidays2010、冰、景觀、風景、雪
資料來源：openclipart ( https://openclipart.org/ )

Birthday - hatPart of the "Events" set made for WorldLabel.com
生日圖標
Birthday、birthday、Birthdays 2、color、event、events、hat、holiday、holidays、icon、occasion、occasions、party、worldlabel
生日、生日、生日2、顏色、事件、事件、有、假日、假期、圖標、機會、場合、派對、worldlabel
資料來源：openclipart ( https://openclipart.org/ )

back to basic, here just 2 intertwined curves - the result is a decorative symbol , that could be adapted quite easily.
裝飾曲線
black and white、curve、curves、decor、decoration、lines、ornament
黑與白、曲線、曲線、裝飾、裝飾、線、裝飾
資料來源：openclipart ( https://openclipart.org/ )

Dove carrying olive branch.
鴿子與分支
Bible、Bible Pics、bird、branch、dove、Díszek、flight、flood、Formen、Healing、Noah、olive、peace、remix、Simple Symbols、stamp art
聖經、聖經圖片、鳥、科、哪裡、飾、飛行、洪水、形狀、復原、諾亞、橄欖、和平、混音、簡單的符號、郵票藝術
資料來源：openclipart ( https://openclipart.org/ )

Uploaded by "World Label" for conversion to SVG and publication on OCAL.
男人臉卡通
cartoon、Cartoon People、externalsource、face、KIDS、man、people、People、remix、Shiny Happy People、worldlabel
動畫片、卡通人物、外部源、面對、KIDS、人、人、人、混音、閃亮的快樂的人、worldlabel
資料來源：openclipart ( https://openclipart.org/ )