Definition of Theme. As a literary device, theme is the central topic or idea explored in a text.
I donât know if it has changed, but as for the Carousel ads, Facebook recommends 1800Ã1800 when i create a new ad. Hi Jon, I was previously able to replace the 470Ã246 thumbnail pulled from websites with an uploaded image on facebook.
Ideal image sizes for tweets. On desktops, Twitter images appear in the timeline at 506 pixels wide by 253 pixels tall. This size works out to an aspect ratio of 2:1, meaning that for every two pixels wide, your image is one pixel as tall.