bigBed example:

track type=bigBed name="bigBed Example One" description="A bigBed file" bigDataUrl=http://genome.ucsc.edu/goldenPath/help/examples/bigBedExample.bb

bigWig example:

track type=bigWig name="Example One" description="A bigWig file" bigDataUrl=http://genome.ucsc.edu/goldenPath/help/examples/bigWigExample.bw

BAM example:

browser position chr21:33,038,946-33,039,092 track type=bam name="BAM Example One" description="Bam Ex. 1: 1000 Genomes read alignments (individual NA12878)" pairEndsByName=. pairSearchRange=10000 chromosomes=chr21 bamColorMode=gray maxWindowToDraw=200000 db=hg18 visibility=pack bigDataUrl=http://genome.ucsc.edu/goldenPath/help/examples/bamExample.bam

VCF example:

browser position chr21:33,034,804-33,037,719 track type=vcfTabix name="VCF Example One" description="VCF Ex. 1: 1000 Genomes phase 1 interim SNVs" chromosomes=chr21 maxWindowToDraw=200000 db=hg19 visibility=pack bigDataUrl=http://genome.ucsc.edu/goldenPath/help/examples/vcfExample.vcf.gz