Hozter.info have a range of ad supported pacakages, my favourite being the ad supported reseller, you will be provided with 5GB of quality diskspace to sell and 50GB of bandwidth.
We also have a post2host package
Disk : 50MB
Xfer : 1GB
Parked Doms : 1
Addon Doms : 1
Resources : 2
requiring just 3 posts a week.
Come along to http://hozter.info to find out more......