Faster Image Link Thumbnail Posts?

[Mostjolly]

Okay, here's regular image link in post (without clicking the "Insert Image" icon above).. it just show the old boring looking plain link.. no thumbnail/snapshot whatsoever:

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Here's the image link after click on the "Insert Image" icon above (where WE HAVE to manually entered the same image HTTP address).. see how the thumbnail shows up?:


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Basically, EVERYTIME we post an image link it SHOULD AUTOMATICALLY recognized .jpg at end and show thumbnails instantly.

Hope someone could integrate this baby into 3.8.x and 4.x
-Minh