Thanks a lot for finding those Tibb!
I've just tried tweaking the detection routine, so let's see if it comes up with newer files.

Only one I can think of, off the top of my head, is Mega. However, I haven't actually downloaded anything from them, so I don't know if they use SSL for the entire transfer (can anyone confirm?).

[you were suggesting Mega, I suppose you know?]

Unfortunately that's beyond the scope of what we're trying to provide at this point.
But thanks for the suggestion anyway.

Interesting to hear that people are actually using it.
It seems that the hosts MultiUpload actually provides are already supplied by other hosts, but I suppose their own direct link works well.

Does anyone know what limitations they impose on their direct upload? Such as max file size, how long files last etc?

It's actually probably the opposite.
Recaptcha works by combining a known word with an unknown one (basically a word that OCR couldn't recognise). As such, it only really validates your input against the known word.
Often the unknown word is rather illegible, which is why OCR fails to recognise it.

Fun fact with captcha's run by google you have a word with letters that are all wiggly and another one with relatively straight letters, as long as you do the wiggly one right you can type ANYTHING you like for the straight word, i normally type Nigger myself. Try it.

I was wondering which of these upload sites support SSL encryption?