Scotsman

[tomshyboy]

couple of long ones holding me up yet again!

1) looking sick like informer who's completely innocent (2,5,2,5)

2) Principled commitment that gives crystal clear picture (4,10)

[dannyk13]

Any letters?

[scorpiojo]

Any letters please?

[mallyh]

as green as grass

[Quizmonkey]

As green as grass

[bibblebub]

1: as green as grass

[Quizmonkey]

High definition

[dannyk13]

2.High resolution

[tomshyboy]

many thanks -seem so obvious afterwards!
I think it is high resolution as th 's' in grass gives the 3rd letter