imagem no texto em bootstrap
<div class="text-center">
<img src="..." class="rounded" alt="...">
</div>
Mushy Mockingbird
<div class="text-center">
<img src="..." class="rounded" alt="...">
</div>
.maintxt {
background-image: url(images/background.png);
background-size: cover;
}
<div class="container">
<div class="row">
<div class="col-xs-12 col-sm-6 col-md-8 col-centered">
<div class="maintxt">
My great text.
</div>
</div>
</div>
</div>