For tiles which might be not so sleek, you can possibly space the tiles firmly together or leave a smallish gap. A 1/8th-inch gap belongs to the standards used with tiling.
If you don't have one in mind, there are a lot of sources that can help you. There is the web. You can search over it for ideas that will suit your style. It can help you search for shops and stores too where you can buy tiles with discount. There are also the magazines which are a very handy source. If you prefer professional help, you can hire a bathroom designer.
One of the most popular bathroom wall tile ideas involves using large, rectangular shaped tiles. Larger tiles mean lesser grout and this makes cleaning easier since dirt tends to accumulate in the group used to fill in the space between tiles. Other bathroom wall tile ideas include using different patterned tiles, scattering colored tiles at random and using dark colored grout.
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