How do I....

[Jupiter]

Paste on an iPod touch? I got the copy, but no paste.

[Rayquaza]

Press and hold down the text box until "paste" comes up.
It will first show a magnification circle, then release.

I just did this on my iPod touch 4.

[Desuetude]

Press and hold down the text box until "paste" comes up.
It will first show a magnification circle, then release.
Also, you might need to scroll, sometimes there are a list of options.

[Infidelitas]

Press and hold down the text box until "paste" comes up.
It will first show a magnification circle, then release.

I just did this on my iPod touch 4.

This.

I can do this on my iPod touch 2G

[unknowndane]

You could just tap besides the marker, very gently.