Click on the T on the Paintbrush tool list.
Choose Font, Size and Colour from the font menu which appears as soon as you click the T. Type in the box over the picture, Click Place. Drag the type around attached to the curser ~ click when it is in the correct place.
To place copied text. Click T > paste the text in the box > Place. A few words only as it places all words in one line.
S.