RSS settings for Feed43
It should work on pastebins where author adds new chapters as new pastes.

Adress:
?http://pastebin.com/u/WriterOfStuff
Global Search Pattern:
?<table class="maintable">{%}</table>
Item (repeatable) Search Pattern:
?{*}<a href="{%}"{*}>{%}</a>{*}<td class="h_640 td_smaller">{%}</td>{*}<td class="h_800 td_smaller">{%}</td>{*}<td class="h_800 td_smaller">{%}</td>{*}<td class="h_800 td_smaller">{%}</td>
Feed Title:
?WriterOfStuff's Pastebin
Feed Link:
?http://pastebin.com/u/WriterOfStuff
Feed Description:
?WriterOfStuff's Pastebin RSS
Item Title Template:
?{%2} (date: {%3})
Item Link Template:
?{%1}
Item Content Template:
?{%2} - {%3} - <a href="{%1}">pastebin.com</a>

http://feed43.com/writerofstuff_pastebin.xml