Verification Image on Sign Up?

[lolwut]

Right well, for now my users enter a string of numbers into a text box.
But I'm not too happy with my method.
http://tanzim.org/users/register.php
View Source, and you'll see it's not the best method ever.
Anyone know any better ways of doing this?

[Florx]

reCAPTCHA

http://recaptcha.net/

Have fun :p

[Forge]

I was going to say search on Pixel2Life but that seems good. +Rep to Florx

[Tomm]

If you don't want to use recaptcha considering using MD5 hashes and/or storing it in a session variable.

[lolwut]

I've sorted it, rather than it having it in plaintext in the source, I've encrypted it
+rep to help given above

[Invent]

All you've done is base 64 encode it, that's silly.

[Awfy]

reCAPTCHA

http://recaptcha.net/

Have fun :p

Use that, as it works and it helps with education and so on. So it's for a good cause.