From a B&W rose to a red rose (simple)
From
to
with PSP8
- Start with this black and white base from
gaelicaoife 
- Add a new layer with

- Set it to Hard Light 84%
- Merge all (flatten) and get this result

- Now use this texture
(by ladybanteerin ) as a new layer and set it to Soft Light 100%
- Merge all layers (flatten) and have this result

- Now add text and/or a 1 pixel border (if you like)
