rss feeding

[enteens]

I want to feed posts to my vbulletin from another vbulletin site


I want to thatsite.com/external.php?mode=rss2

but th e problem is images are not displayed correctly.They give the link of the image.

I can fix it by replacement text in the feed

For egs: they have Imagehotobucket.com/dfgghr.jpg

then I can replace Image by

so that

will be correct in the post

How can I do it?
I thick I have to edit /admincp/rssposter.php file of vbulletin

Pls help me