HELP ME! Stuck On Challenge 12?

[HelpMeDude]

I Think Its That One

I Got PSP Version

And You Have To Kill The Worm With 2 Worms, A Gurder and Infinite Skipping Ropes?? =S HOW!

[HelpMeDude]

Anyboidy? Please Help!!

[Moiz575]

put the girder in a slanted direction like this / go up with 1 worms and backflip on to the enemy.