To change the thumbnail on Instagram after posting, you first need to open the post and then click on the three dots in the top right corner. From there, select “edit” and then “change the thumbnail.” You can then choose a new image from your phone’s photo library.

To change the cover of your reel after posting, go to your profile and click on the “edit” button next to the reel you want to change. You can then select a new cover photo from your computer or from one of your albums.

There is no one definitive way to change the cover photo on a video. Some methods include using video editing software, online tools, or downloading a third-party app.

To change the thumbnail on a video, open the video in a video editor and select a frame to use as the thumbnail. Save the video and upload it to YouTube.

Yes, you can edit a reel video after posting. However, depending on how much editing you need to do, it may be more efficient to create the video in a different software program and then import it into Reel.

To put a cover on an Instagram video, first, select the video you want to edit. Then, tap the three lines in the top left corner of the screen to open the menu. Select “Edit” and then “Add Cover.” You can then select a photo or video from your library to use as a cover.

There are a few ways to create thumbnail images. One way is to use a program like Photoshop or GIMP to resize the image. Another way is to use a website like Thumbnail.io or TinyPic to resize the image.

There are a few ways to change your video thumbnail online. One way is to use a website like YouTube or Vimeo. Another way is to use software like Windows Movie Maker or iMovie.

To create a thumbnail on your iPhone, open the Photos app and find the photo you want to use. Tap on the photo, then tap the Share button in the bottom-left corner. Tap on the thumbnail icon in the top-right corner of the Share sheet, then choose whether you want to save the thumbnail to your Photos library or share it with someone else.

A thumbnail photo is a small, low-resolution image that is used to represent a larger image. They are often used on websites and in online galleries to save space and reduce loading time.