- In QRflick, open your signature in Safari and press Copy signature.
- In Mail, open Mail → Settings → Signatures.
- Choose your account on the left and click +. Give the signature a name.
- Untick Always match my default message font.
- Click in the right-hand box, select the placeholder text and paste (⌘V).
- Close the window. Pick the signature in the Choose signature menu for that account.
Tip: if the images show as blue question marks while you write, they're still loading. The people you write to see them normally.