Disgraced former culture secretary Maria Miller has touted whip Harriett Baldwin and backbencher Margot James for Government roles in any reshuffle.
Ms Miller told Sky's Murnaghan programme: "I think (Mr Cameron) has got a hugely rich talent pool to draw from - people like Harriett Baldwin, who was a leader in her field in the City before she came to Parliament.
"There is no shortage of talent and I'm sure the Prime Minister will make good use of that [...] Esther is working the department that I used to work in with Iain Duncan Smith and I think has proven herself to be a formidable advocate for the employment programmes that are going forward".
PMQs today was a pretty clear win for David Cameron. Ed Miliband really needs to find a way to energise and motivate his troops.
David Cameron has rung the Cabinet changes as he prepares to fight the next election. Here is an introduction to the figures on the rise.
It's not the first time Esther McVey has been tipped for a big promotion and missed out. Our Political Reporter Daniel Hewitt asks why.