These decorative tiles make for an elegant and retro take on the trend, via Apartment Therapy:

For an austere and timeless look, white subway tiles were used in this kitchen from Living etc:

Which do you prefer?

A vision of modernity in lime and stainless steel, from sarahleeab: 

Rustic and atmospheric, from George: 

From lyrabellacqua, a bright and cheery paint job: 

Bringing the outdoors in, an Australian kitchen from Amit: 

By limonada, a super-bright shade in a super-organized kitchen: 

The accents do the work in this bright space, from ooh_food: 

From the same source, this modern space is the closest thing to my dream kitchen: 

A colourful, sophisticated print works surprisingly well in a small kitchen, from The Kitchen Designer: 

Via Apartment Therapy, this wallpaper was hand-painted , based on a vintage sample from a book: 

I love this loft kitchen from Canadian House and Home. Unusually, the wallpaper is on the ceiling: 

A modern-country look from House to Home (I love the colours here):

This red-and-cream look, from Design*Sponge, might just be my favourite: 

From lucyellen06:

From twelve22:

From *Piney*: