Debuting at No. 1 on the Top Rap Albums Chart' this week is the comedic trio The Lonely Island with their first album titled Incredibad.

The trio, who ware well known for their Saturday Night Live skits which include "Dick In A Box", "Jizz In My Pants and "I'm On A Boat, scan 47,500 discs in their opening week. Incredibad features appearances from E-40, T-Pain and Justin Timberlake.

T.I. slides down to No. 2. Paper Trail shifted 33,300 units this week, pushing the album's total sales to 1,694,500.

Lil Wayne's Tha Carter III hits the triple platinum target this week. Tha Carter III, which sits at No. 3, passed the 3,000,000 sales mark by pushing 26,900 discs this week. The album's tally stands at 3,012,100.

Posted at No. 4 is Florida rapper Plies. Da Realist scanned 14,300 copies in its ninth week on the charts. So far, the album has sold a total of 269,600 discs.

Ludacris slips down to No. 5. Theater Of The Mind reeled in 12,200 units this week, bringing the album's total sales to 554,700.

Right behind him is Young Jeezy at No. 6. The Recession scanned 9,900 units this week. To date, the album has sold 775,400 copies.

Seated at No. 7 is The Notorious Soundtrack, The set shelved off 9,300 CDs in its 5th week on the charts. So far, the soundtrack has sold 107,500 copies.

Holding fort at No. 8 is Soulja Boy. ISouljaBoyTellEm ropes in 8,900 units this week, pushing the album's total to 134,800.

M.I.A. sneaks back into The Top 10 by grabbing the No. 9 spot. Kala rakes in 5,800 discs this week. The albums tally stands at 450,000.

Wrapping up The Top 10 is The Game. LAX moves 5,400 units this week. So far, the album has sold 675,900 copies.