There are many resources on the web that can help you manage your money. Take a look at some of these:
www.moneymadeclear.fsa.gov.uk Lots of useful stuff from the Financial Services Authority including money saving tips.
www.uswitch.com Could you save money by switching to a different company? Have a look and see if you could save on gas, electricity, insurance, phone, TV, mobile, internet and more.
www.themoneysecret.info Want to get your finances back under control? Then check out this site. You might want to sign up for "cash for a month" or get regular emails with money saving tips.
If you're having financial problems, don't ignore them. They won't go away or sort themselves out. Delay only causes more problems. There are some payments that must be paid before others. If you aren't certain what these are, then you need to get some advice. You can start at the Citizen's Advice Bureau at http://www.citizensadvice.org.uk/