>Sparked off by http://meta.gardening.stackexchange.com/questions/251/better-image-embeddeding-and-viewing, http://meta.diy.stackexchange.com/questions/549/change-the-image-upload-so-that-a-thumbnail-is-shown-and-the-full-size-image-lin
>
> Thanks to @yoda for the idea!

When you upload an image using the SE uploading dialog, it gets uploaded in _exactly_ the same size that the file is in. For large images, this can be a problem since they take up a lot of space and screw the alignment. The uploader doesn't allow for resizing (except by manually changing the URL to one ending in `s`, `m`, or `l`.

This script provides an improved upload dialog:



![enter image description here][1]
##Installation##

 - [Click here to install][3]. Will only work in Chrome or Firefox (the latter requires Greasemonkey).

 - [Source][4]

  [1]: https://i.sstatic.net/7VwY4.png
  [3]: https://github.com/Manishearth/Manish-Codes/raw/master/StackExchange/ThumbnailUpload/ThumbnailUpload.user.js
  [4]: https://github.com/Manishearth/Manish-Codes/blob/master/StackExchange/ThumbnailUpload/ThumbnailUpload.user.js