A sample caption using the defaults

sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext
sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext

 

A left-aligned bottom caption

sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext
sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext	sampletext sampletext sampletext