Sorry, did you mean they don't appear when you upload them to imgbb or to PC?
I'm better at explaining this visually so here are some images to guide each step!
First you just upload whatever image you want to imgbb, either from your computer or by copying and pasting an image from the internet! For example, Pikachu.
Once you do, the page should look like this. Simply click upload when you have all the images ready (you can upload many at once).
Then once that's uploaded, to view the image you open its link in a new tab! (I just scroll-click them.) At this stage you can sign up to imgbb to save your pictures to an album, if that's what you're after!
And now to post this image on PC, all you do is copy the image address...
And then use the
If all these steps are followed your pictures should appear! :)